Home / 13,565.08-20,350.79-4,204.61

Finding the Fourth Proportional to 13,565.08, 20,350.79 and 4,204.61

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Solution

The fourth proportional to 13,565.08, 20,350.79 and 4,204.61 is: 6,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.08 : 20,350.79 = 4,204.61 : x
  2. Step 2: Convert to fraction form
    13,565.08/20,350.79 = 4,204.61/x
  3. Step 3: Cross multiply
    13,565.08x = 20,350.79 × 4,204.61
  4. Step 4: Simplify right side
    13,565.08x = 85,567,135.14
  5. Step 5: Solve for x
    x = 85,567,135.14/13,565.08
  6. Step 6: Final answer
    x = 6,307.90

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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.