Home / 16,319.55-22,520.90-9,149.48

Finding the Fourth Proportional to 16,319.55, 22,520.90 and 9,149.48

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Solution

The fourth proportional to 16,319.55, 22,520.90 and 9,149.48 is: 12,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,319.55 : 22,520.90 = 9,149.48 : x
  2. Step 2: Convert to fraction form
    16,319.55/22,520.90 = 9,149.48/x
  3. Step 3: Cross multiply
    16,319.55x = 22,520.90 × 9,149.48
  4. Step 4: Simplify right side
    16,319.55x = 206,054,365.78
  5. Step 5: Solve for x
    x = 206,054,365.78/16,319.55
  6. Step 6: Final answer
    x = 12,626.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.