Home / 10,136.38-15,200.69-4,869.89

Finding the Fourth Proportional to 10,136.38, 15,200.69 and 4,869.89

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Solution

The fourth proportional to 10,136.38, 15,200.69 and 4,869.89 is: 7,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.38 : 15,200.69 = 4,869.89 : x
  2. Step 2: Convert to fraction form
    10,136.38/15,200.69 = 4,869.89/x
  3. Step 3: Cross multiply
    10,136.38x = 15,200.69 × 4,869.89
  4. Step 4: Simplify right side
    10,136.38x = 74,025,612.22
  5. Step 5: Solve for x
    x = 74,025,612.22/10,136.38
  6. Step 6: Final answer
    x = 7,302.97

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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.