Home / 10,148.16-15,221.88-2,753.76

Finding the Fourth Proportional to 10,148.16, 15,221.88 and 2,753.76

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Solution

The fourth proportional to 10,148.16, 15,221.88 and 2,753.76 is: 4,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.16 : 15,221.88 = 2,753.76 : x
  2. Step 2: Convert to fraction form
    10,148.16/15,221.88 = 2,753.76/x
  3. Step 3: Cross multiply
    10,148.16x = 15,221.88 × 2,753.76
  4. Step 4: Simplify right side
    10,148.16x = 41,917,404.27
  5. Step 5: Solve for x
    x = 41,917,404.27/10,148.16
  6. Step 6: Final answer
    x = 4,130.54

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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.