Home / 10,217.60-15,326.45-3,101.90

Finding the Fourth Proportional to 10,217.60, 15,326.45 and 3,101.90

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Solution

The fourth proportional to 10,217.60, 15,326.45 and 3,101.90 is: 4,652.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.60 : 15,326.45 = 3,101.90 : x
  2. Step 2: Convert to fraction form
    10,217.60/15,326.45 = 3,101.90/x
  3. Step 3: Cross multiply
    10,217.60x = 15,326.45 × 3,101.90
  4. Step 4: Simplify right side
    10,217.60x = 47,541,023.11
  5. Step 5: Solve for x
    x = 47,541,023.11/10,217.60
  6. Step 6: Final answer
    x = 4,652.86

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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.