Home / 15,470.04-21,351.30-9,182.76

Finding the Fourth Proportional to 15,470.04, 21,351.30 and 9,182.76

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Solution

The fourth proportional to 15,470.04, 21,351.30 and 9,182.76 is: 12,673.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,470.04 : 21,351.30 = 9,182.76 : x
  2. Step 2: Convert to fraction form
    15,470.04/21,351.30 = 9,182.76/x
  3. Step 3: Cross multiply
    15,470.04x = 21,351.30 × 9,182.76
  4. Step 4: Simplify right side
    15,470.04x = 196,063,863.59
  5. Step 5: Solve for x
    x = 196,063,863.59/15,470.04
  6. Step 6: Final answer
    x = 12,673.78

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Half scale
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Double scale
Find fourth proportional to 15,471.04, 21,352.68 and 9,183.76
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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.