Home / 10,042.85-15,066.45-4,119.75

Finding the Fourth Proportional to 10,042.85, 15,066.45 and 4,119.75

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Solution

The fourth proportional to 10,042.85, 15,066.45 and 4,119.75 is: 6,180.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,042.85 : 15,066.45 = 4,119.75 : x
  2. Step 2: Convert to fraction form
    10,042.85/15,066.45 = 4,119.75/x
  3. Step 3: Cross multiply
    10,042.85x = 15,066.45 × 4,119.75
  4. Step 4: Simplify right side
    10,042.85x = 62,070,007.39
  5. Step 5: Solve for x
    x = 62,070,007.39/10,042.85
  6. Step 6: Final answer
    x = 6,180.52

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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.