Home / 10,171.10-15,317.60-8,951.84

Finding the Fourth Proportional to 10,171.10, 15,317.60 and 8,951.84

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Solution

The fourth proportional to 10,171.10, 15,317.60 and 8,951.84 is: 13,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.10 : 15,317.60 = 8,951.84 : x
  2. Step 2: Convert to fraction form
    10,171.10/15,317.60 = 8,951.84/x
  3. Step 3: Cross multiply
    10,171.10x = 15,317.60 × 8,951.84
  4. Step 4: Simplify right side
    10,171.10x = 137,120,704.38
  5. Step 5: Solve for x
    x = 137,120,704.38/10,171.10
  6. Step 6: Final answer
    x = 13,481.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.