Home / 10,169.60-15,254.95-3,154.46

Finding the Fourth Proportional to 10,169.60, 15,254.95 and 3,154.46

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Solution

The fourth proportional to 10,169.60, 15,254.95 and 3,154.46 is: 4,731.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.60 : 15,254.95 = 3,154.46 : x
  2. Step 2: Convert to fraction form
    10,169.60/15,254.95 = 3,154.46/x
  3. Step 3: Cross multiply
    10,169.60x = 15,254.95 × 3,154.46
  4. Step 4: Simplify right side
    10,169.60x = 48,121,129.58
  5. Step 5: Solve for x
    x = 48,121,129.58/10,169.60
  6. Step 6: Final answer
    x = 4,731.86

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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.