Home / 14,267.20-21,425.10-10,136.20

Finding the Fourth Proportional to 14,267.20, 21,425.10 and 10,136.20

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Solution

The fourth proportional to 14,267.20, 21,425.10 and 10,136.20 is: 15,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.20 : 21,425.10 = 10,136.20 : x
  2. Step 2: Convert to fraction form
    14,267.20/21,425.10 = 10,136.20/x
  3. Step 3: Cross multiply
    14,267.20x = 21,425.10 × 10,136.20
  4. Step 4: Simplify right side
    14,267.20x = 217,169,098.62
  5. Step 5: Solve for x
    x = 217,169,098.62/14,267.20
  6. Step 6: Final answer
    x = 15,221.56

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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.