Home / 13,690.69-20,539.25-5,793.91

Finding the Fourth Proportional to 13,690.69, 20,539.25 and 5,793.91

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Solution

The fourth proportional to 13,690.69, 20,539.25 and 5,793.91 is: 8,692.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,690.69 : 20,539.25 = 5,793.91 : x
  2. Step 2: Convert to fraction form
    13,690.69/20,539.25 = 5,793.91/x
  3. Step 3: Cross multiply
    13,690.69x = 20,539.25 × 5,793.91
  4. Step 4: Simplify right side
    13,690.69x = 119,002,565.97
  5. Step 5: Solve for x
    x = 119,002,565.97/13,690.69
  6. Step 6: Final answer
    x = 8,692.23

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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.