Home / 15,136.43-22,708.29-4,748.18

Finding the Fourth Proportional to 15,136.43, 22,708.29 and 4,748.18

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Solution

The fourth proportional to 15,136.43, 22,708.29 and 4,748.18 is: 7,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.43 : 22,708.29 = 4,748.18 : x
  2. Step 2: Convert to fraction form
    15,136.43/22,708.29 = 4,748.18/x
  3. Step 3: Cross multiply
    15,136.43x = 22,708.29 × 4,748.18
  4. Step 4: Simplify right side
    15,136.43x = 107,822,911.13
  5. Step 5: Solve for x
    x = 107,822,911.13/15,136.43
  6. Step 6: Final answer
    x = 7,123.41

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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.