Home / 16,319.60-22,520.86-9,149.48

Finding the Fourth Proportional to 16,319.60, 22,520.86 and 9,149.48

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Solution

The fourth proportional to 16,319.60, 22,520.86 and 9,149.48 is: 12,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,319.60 : 22,520.86 = 9,149.48 : x
  2. Step 2: Convert to fraction form
    16,319.60/22,520.86 = 9,149.48/x
  3. Step 3: Cross multiply
    16,319.60x = 22,520.86 × 9,149.48
  4. Step 4: Simplify right side
    16,319.60x = 206,054,191.58
  5. Step 5: Solve for x
    x = 206,054,191.58/16,319.60
  6. Step 6: Final answer
    x = 12,626.18

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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.