Home / 10,108.60-15,162.88-2,712.86

Finding the Fourth Proportional to 10,108.60, 15,162.88 and 2,712.86

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Solution

The fourth proportional to 10,108.60, 15,162.88 and 2,712.86 is: 4,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.60 : 15,162.88 = 2,712.86 : x
  2. Step 2: Convert to fraction form
    10,108.60/15,162.88 = 2,712.86/x
  3. Step 3: Cross multiply
    10,108.60x = 15,162.88 × 2,712.86
  4. Step 4: Simplify right side
    10,108.60x = 41,134,770.64
  5. Step 5: Solve for x
    x = 41,134,770.64/10,108.60
  6. Step 6: Final answer
    x = 4,069.28

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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.