Home / 22,704.87-31,334.13-12,635.56

Finding the Fourth Proportional to 22,704.87, 31,334.13 and 12,635.56

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Solution

The fourth proportional to 22,704.87, 31,334.13 and 12,635.56 is: 17,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.87 : 31,334.13 = 12,635.56 : x
  2. Step 2: Convert to fraction form
    22,704.87/31,334.13 = 12,635.56/x
  3. Step 3: Cross multiply
    22,704.87x = 31,334.13 × 12,635.56
  4. Step 4: Simplify right side
    22,704.87x = 395,924,279.66
  5. Step 5: Solve for x
    x = 395,924,279.66/22,704.87
  6. Step 6: Final answer
    x = 17,437.86

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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.