Home / 9,324.75-13,987.13-3,168.75

Finding the Fourth Proportional to 9,324.75, 13,987.13 and 3,168.75

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Solution

The fourth proportional to 9,324.75, 13,987.13 and 3,168.75 is: 4,753.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.75 : 13,987.13 = 3,168.75 : x
  2. Step 2: Convert to fraction form
    9,324.75/13,987.13 = 3,168.75/x
  3. Step 3: Cross multiply
    9,324.75x = 13,987.13 × 3,168.75
  4. Step 4: Simplify right side
    9,324.75x = 44,321,702.34
  5. Step 5: Solve for x
    x = 44,321,702.34/9,324.75
  6. Step 6: Final answer
    x = 4,753.13

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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.