Home / 20,881.98-31,244.45-14,654.16

Finding the Fourth Proportional to 20,881.98, 31,244.45 and 14,654.16

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Solution

The fourth proportional to 20,881.98, 31,244.45 and 14,654.16 is: 21,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,881.98 : 31,244.45 = 14,654.16 : x
  2. Step 2: Convert to fraction form
    20,881.98/31,244.45 = 14,654.16/x
  3. Step 3: Cross multiply
    20,881.98x = 31,244.45 × 14,654.16
  4. Step 4: Simplify right side
    20,881.98x = 457,861,096.14
  5. Step 5: Solve for x
    x = 457,861,096.14/20,881.98
  6. Step 6: Final answer
    x = 21,926.13

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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.