Home / 14,280.06-19,706.74-7,992.42

Finding the Fourth Proportional to 14,280.06, 19,706.74 and 7,992.42

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Solution

The fourth proportional to 14,280.06, 19,706.74 and 7,992.42 is: 11,029.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.06 : 19,706.74 = 7,992.42 : x
  2. Step 2: Convert to fraction form
    14,280.06/19,706.74 = 7,992.42/x
  3. Step 3: Cross multiply
    14,280.06x = 19,706.74 × 7,992.42
  4. Step 4: Simplify right side
    14,280.06x = 157,504,542.91
  5. Step 5: Solve for x
    x = 157,504,542.91/14,280.06
  6. Step 6: Final answer
    x = 11,029.68

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Half scale
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Double scale
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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.