Home / 18,136.71-25,044.68-11,433.57

Finding the Fourth Proportional to 18,136.71, 25,044.68 and 11,433.57

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Solution

The fourth proportional to 18,136.71, 25,044.68 and 11,433.57 is: 15,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.71 : 25,044.68 = 11,433.57 : x
  2. Step 2: Convert to fraction form
    18,136.71/25,044.68 = 11,433.57/x
  3. Step 3: Cross multiply
    18,136.71x = 25,044.68 × 11,433.57
  4. Step 4: Simplify right side
    18,136.71x = 286,350,044.74
  5. Step 5: Solve for x
    x = 286,350,044.74/18,136.71
  6. Step 6: Final answer
    x = 15,788.42

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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.