Home / 22,490.20-33,732.12-14,144.76

Finding the Fourth Proportional to 22,490.20, 33,732.12 and 14,144.76

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Solution

The fourth proportional to 22,490.20, 33,732.12 and 14,144.76 is: 21,215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,490.20 : 33,732.12 = 14,144.76 : x
  2. Step 2: Convert to fraction form
    22,490.20/33,732.12 = 14,144.76/x
  3. Step 3: Cross multiply
    22,490.20x = 33,732.12 × 14,144.76
  4. Step 4: Simplify right side
    22,490.20x = 477,132,741.69
  5. Step 5: Solve for x
    x = 477,132,741.69/22,490.20
  6. Step 6: Final answer
    x = 21,215.14

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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.