Home / 10,132.90-15,201.60-3,113.86

Finding the Fourth Proportional to 10,132.90, 15,201.60 and 3,113.86

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Solution

The fourth proportional to 10,132.90, 15,201.60 and 3,113.86 is: 4,671.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.90 : 15,201.60 = 3,113.86 : x
  2. Step 2: Convert to fraction form
    10,132.90/15,201.60 = 3,113.86/x
  3. Step 3: Cross multiply
    10,132.90x = 15,201.60 × 3,113.86
  4. Step 4: Simplify right side
    10,132.90x = 47,335,654.18
  5. Step 5: Solve for x
    x = 47,335,654.18/10,132.90
  6. Step 6: Final answer
    x = 4,671.48

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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.