Home / 16,631.76-25,001.10-13,380.96

Finding the Fourth Proportional to 16,631.76, 25,001.10 and 13,380.96

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Solution

The fourth proportional to 16,631.76, 25,001.10 and 13,380.96 is: 20,114.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,631.76 : 25,001.10 = 13,380.96 : x
  2. Step 2: Convert to fraction form
    16,631.76/25,001.10 = 13,380.96/x
  3. Step 3: Cross multiply
    16,631.76x = 25,001.10 × 13,380.96
  4. Step 4: Simplify right side
    16,631.76x = 334,538,719.06
  5. Step 5: Solve for x
    x = 334,538,719.06/16,631.76
  6. Step 6: Final answer
    x = 20,114.45

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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.