Home / 9,149.63-13,724.44-3,959.15

Finding the Fourth Proportional to 9,149.63, 13,724.44 and 3,959.15

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Solution

The fourth proportional to 9,149.63, 13,724.44 and 3,959.15 is: 5,938.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.63 : 13,724.44 = 3,959.15 : x
  2. Step 2: Convert to fraction form
    9,149.63/13,724.44 = 3,959.15/x
  3. Step 3: Cross multiply
    9,149.63x = 13,724.44 × 3,959.15
  4. Step 4: Simplify right side
    9,149.63x = 54,337,038.11
  5. Step 5: Solve for x
    x = 54,337,038.11/9,149.63
  6. Step 6: Final answer
    x = 5,938.72

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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.