Home / 18,713.11-28,074.45-5,565.46

Finding the Fourth Proportional to 18,713.11, 28,074.45 and 5,565.46

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Solution

The fourth proportional to 18,713.11, 28,074.45 and 5,565.46 is: 8,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.11 : 28,074.45 = 5,565.46 : x
  2. Step 2: Convert to fraction form
    18,713.11/28,074.45 = 5,565.46/x
  3. Step 3: Cross multiply
    18,713.11x = 28,074.45 × 5,565.46
  4. Step 4: Simplify right side
    18,713.11x = 156,247,228.50
  5. Step 5: Solve for x
    x = 156,247,228.50/18,713.11
  6. Step 6: Final answer
    x = 8,349.61

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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.