Home / 9,138.60-12,608.19-5,950.44

Finding the Fourth Proportional to 9,138.60, 12,608.19 and 5,950.44

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Solution

The fourth proportional to 9,138.60, 12,608.19 and 5,950.44 is: 8,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138.60 : 12,608.19 = 5,950.44 : x
  2. Step 2: Convert to fraction form
    9,138.60/12,608.19 = 5,950.44/x
  3. Step 3: Cross multiply
    9,138.60x = 12,608.19 × 5,950.44
  4. Step 4: Simplify right side
    9,138.60x = 75,024,278.10
  5. Step 5: Solve for x
    x = 75,024,278.10/9,138.60
  6. Step 6: Final answer
    x = 8,209.60

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Half scale
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Double scale
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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.