Home / 9,005.38-13,508.76-2,431.47

Finding the Fourth Proportional to 9,005.38, 13,508.76 and 2,431.47

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Solution

The fourth proportional to 9,005.38, 13,508.76 and 2,431.47 is: 3,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.38 : 13,508.76 = 2,431.47 : x
  2. Step 2: Convert to fraction form
    9,005.38/13,508.76 = 2,431.47/x
  3. Step 3: Cross multiply
    9,005.38x = 13,508.76 × 2,431.47
  4. Step 4: Simplify right side
    9,005.38x = 32,846,190.78
  5. Step 5: Solve for x
    x = 32,846,190.78/9,005.38
  6. Step 6: Final answer
    x = 3,647.40

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Similar ratio
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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.