Home / 9,431.72-14,149.40-3,587.88

Finding the Fourth Proportional to 9,431.72, 14,149.40 and 3,587.88

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Solution

The fourth proportional to 9,431.72, 14,149.40 and 3,587.88 is: 5,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.72 : 14,149.40 = 3,587.88 : x
  2. Step 2: Convert to fraction form
    9,431.72/14,149.40 = 3,587.88/x
  3. Step 3: Cross multiply
    9,431.72x = 14,149.40 × 3,587.88
  4. Step 4: Simplify right side
    9,431.72x = 50,766,349.27
  5. Step 5: Solve for x
    x = 50,766,349.27/9,431.72
  6. Step 6: Final answer
    x = 5,382.51

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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.