Home / 10,481.38-14,470.76-7,212.76

Finding the Fourth Proportional to 10,481.38, 14,470.76 and 7,212.76

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Solution

The fourth proportional to 10,481.38, 14,470.76 and 7,212.76 is: 9,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.38 : 14,470.76 = 7,212.76 : x
  2. Step 2: Convert to fraction form
    10,481.38/14,470.76 = 7,212.76/x
  3. Step 3: Cross multiply
    10,481.38x = 14,470.76 × 7,212.76
  4. Step 4: Simplify right side
    10,481.38x = 104,374,046.66
  5. Step 5: Solve for x
    x = 104,374,046.66/10,481.38
  6. Step 6: Final answer
    x = 9,958.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.