Home / 15,311.11-22,966.65-4,217.86

Finding the Fourth Proportional to 15,311.11, 22,966.65 and 4,217.86

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Solution

The fourth proportional to 15,311.11, 22,966.65 and 4,217.86 is: 6,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,311.11 : 22,966.65 = 4,217.86 : x
  2. Step 2: Convert to fraction form
    15,311.11/22,966.65 = 4,217.86/x
  3. Step 3: Cross multiply
    15,311.11x = 22,966.65 × 4,217.86
  4. Step 4: Simplify right side
    15,311.11x = 96,870,114.37
  5. Step 5: Solve for x
    x = 96,870,114.37/15,311.11
  6. Step 6: Final answer
    x = 6,326.79

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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.