Home / 13,451.01-20,149.92-9,223.89

Finding the Fourth Proportional to 13,451.01, 20,149.92 and 9,223.89

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Solution

The fourth proportional to 13,451.01, 20,149.92 and 9,223.89 is: 13,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451.01 : 20,149.92 = 9,223.89 : x
  2. Step 2: Convert to fraction form
    13,451.01/20,149.92 = 9,223.89/x
  3. Step 3: Cross multiply
    13,451.01x = 20,149.92 × 9,223.89
  4. Step 4: Simplify right side
    13,451.01x = 185,860,645.59
  5. Step 5: Solve for x
    x = 185,860,645.59/13,451.01
  6. Step 6: Final answer
    x = 13,817.60

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1.5x scale

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.