Home / 16,442.20-24,663.30-13,161.70

Finding the Fourth Proportional to 16,442.20, 24,663.30 and 13,161.70

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Solution

The fourth proportional to 16,442.20, 24,663.30 and 13,161.70 is: 19,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,442.20 : 24,663.30 = 13,161.70 : x
  2. Step 2: Convert to fraction form
    16,442.20/24,663.30 = 13,161.70/x
  3. Step 3: Cross multiply
    16,442.20x = 24,663.30 × 13,161.70
  4. Step 4: Simplify right side
    16,442.20x = 324,610,955.61
  5. Step 5: Solve for x
    x = 324,610,955.61/16,442.20
  6. Step 6: Final answer
    x = 19,742.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.