Home / 9,149.24-13,723.96-2,909.12

Finding the Fourth Proportional to 9,149.24, 13,723.96 and 2,909.12

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Solution

The fourth proportional to 9,149.24, 13,723.96 and 2,909.12 is: 4,363.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.24 : 13,723.96 = 2,909.12 : x
  2. Step 2: Convert to fraction form
    9,149.24/13,723.96 = 2,909.12/x
  3. Step 3: Cross multiply
    9,149.24x = 13,723.96 × 2,909.12
  4. Step 4: Simplify right side
    9,149.24x = 39,924,646.52
  5. Step 5: Solve for x
    x = 39,924,646.52/9,149.24
  6. Step 6: Final answer
    x = 4,363.71

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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.