Home / 10,351.15-15,519.13-4,108.08

Finding the Fourth Proportional to 10,351.15, 15,519.13 and 4,108.08

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Solution

The fourth proportional to 10,351.15, 15,519.13 and 4,108.08 is: 6,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.15 : 15,519.13 = 4,108.08 : x
  2. Step 2: Convert to fraction form
    10,351.15/15,519.13 = 4,108.08/x
  3. Step 3: Cross multiply
    10,351.15x = 15,519.13 × 4,108.08
  4. Step 4: Simplify right side
    10,351.15x = 63,753,749.97
  5. Step 5: Solve for x
    x = 63,753,749.97/10,351.15
  6. Step 6: Final answer
    x = 6,159.10

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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.