Home / 9,086.24-12,539.19-5,107.61

Finding the Fourth Proportional to 9,086.24, 12,539.19 and 5,107.61

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Solution

The fourth proportional to 9,086.24, 12,539.19 and 5,107.61 is: 7,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086.24 : 12,539.19 = 5,107.61 : x
  2. Step 2: Convert to fraction form
    9,086.24/12,539.19 = 5,107.61/x
  3. Step 3: Cross multiply
    9,086.24x = 12,539.19 × 5,107.61
  4. Step 4: Simplify right side
    9,086.24x = 64,045,229.54
  5. Step 5: Solve for x
    x = 64,045,229.54/9,086.24
  6. Step 6: Final answer
    x = 7,048.60

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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.