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Finding the Fourth Proportional to 10,279.95, 14,187 and 5,802.08

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Solution

The fourth proportional to 10,279.95, 14,187 and 5,802.08 is: 8,007.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.95 : 14,187 = 5,802.08 : x
  2. Step 2: Convert to fraction form
    10,279.95/14,187 = 5,802.08/x
  3. Step 3: Cross multiply
    10,279.95x = 14,187 × 5,802.08
  4. Step 4: Simplify right side
    10,279.95x = 82,314,038.03
  5. Step 5: Solve for x
    x = 82,314,038.03/10,279.95
  6. Step 6: Final answer
    x = 8,007.24

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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.