Home / 14,695.17-20,279.26-7,980.75

Finding the Fourth Proportional to 14,695.17, 20,279.26 and 7,980.75

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Solution

The fourth proportional to 14,695.17, 20,279.26 and 7,980.75 is: 11,013.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,695.17 : 20,279.26 = 7,980.75 : x
  2. Step 2: Convert to fraction form
    14,695.17/20,279.26 = 7,980.75/x
  3. Step 3: Cross multiply
    14,695.17x = 20,279.26 × 7,980.75
  4. Step 4: Simplify right side
    14,695.17x = 161,843,704.25
  5. Step 5: Solve for x
    x = 161,843,704.25/14,695.17
  6. Step 6: Final answer
    x = 11,013.39

Related Problems

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Half scale
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Double scale
Find fourth proportional to 14,696.17, 20,280.64 and 7,981.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.