Home / 15,136.70-22,683.45-11,156.90

Finding the Fourth Proportional to 15,136.70, 22,683.45 and 11,156.90

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Solution

The fourth proportional to 15,136.70, 22,683.45 and 11,156.90 is: 16,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.70 : 22,683.45 = 11,156.90 : x
  2. Step 2: Convert to fraction form
    15,136.70/22,683.45 = 11,156.90/x
  3. Step 3: Cross multiply
    15,136.70x = 22,683.45 × 11,156.90
  4. Step 4: Simplify right side
    15,136.70x = 253,076,983.31
  5. Step 5: Solve for x
    x = 253,076,983.31/15,136.70
  6. Step 6: Final answer
    x = 16,719.43

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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.