Home / 13,379.30-20,041.70-6,337.97

Finding the Fourth Proportional to 13,379.30, 20,041.70 and 6,337.97

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Solution

The fourth proportional to 13,379.30, 20,041.70 and 6,337.97 is: 9,494.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379.30 : 20,041.70 = 6,337.97 : x
  2. Step 2: Convert to fraction form
    13,379.30/20,041.70 = 6,337.97/x
  3. Step 3: Cross multiply
    13,379.30x = 20,041.70 × 6,337.97
  4. Step 4: Simplify right side
    13,379.30x = 127,023,561.45
  5. Step 5: Solve for x
    x = 127,023,561.45/13,379.30
  6. Step 6: Final answer
    x = 9,494.04

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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.