Home / 10,090.71-15,136.07-4,239.27

Finding the Fourth Proportional to 10,090.71, 15,136.07 and 4,239.27

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Solution

The fourth proportional to 10,090.71, 15,136.07 and 4,239.27 is: 6,358.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.71 : 15,136.07 = 4,239.27 : x
  2. Step 2: Convert to fraction form
    10,090.71/15,136.07 = 4,239.27/x
  3. Step 3: Cross multiply
    10,090.71x = 15,136.07 × 4,239.27
  4. Step 4: Simplify right side
    10,090.71x = 64,165,866.27
  5. Step 5: Solve for x
    x = 64,165,866.27/10,090.71
  6. Step 6: Final answer
    x = 6,358.91

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.