Home / 10,397.90-14,349.15-5,682.29

Finding the Fourth Proportional to 10,397.90, 14,349.15 and 5,682.29

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Solution

The fourth proportional to 10,397.90, 14,349.15 and 5,682.29 is: 7,841.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.90 : 14,349.15 = 5,682.29 : x
  2. Step 2: Convert to fraction form
    10,397.90/14,349.15 = 5,682.29/x
  3. Step 3: Cross multiply
    10,397.90x = 14,349.15 × 5,682.29
  4. Step 4: Simplify right side
    10,397.90x = 81,535,959.81
  5. Step 5: Solve for x
    x = 81,535,959.81/10,397.90
  6. Step 6: Final answer
    x = 7,841.58

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Half scale
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Double scale
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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.