Home / 13,456.20-20,184.42-4,691.10

Finding the Fourth Proportional to 13,456.20, 20,184.42 and 4,691.10

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Solution

The fourth proportional to 13,456.20, 20,184.42 and 4,691.10 is: 7,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456.20 : 20,184.42 = 4,691.10 : x
  2. Step 2: Convert to fraction form
    13,456.20/20,184.42 = 4,691.10/x
  3. Step 3: Cross multiply
    13,456.20x = 20,184.42 × 4,691.10
  4. Step 4: Simplify right side
    13,456.20x = 94,687,132.66
  5. Step 5: Solve for x
    x = 94,687,132.66/13,456.20
  6. Step 6: Final answer
    x = 7,036.69

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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.