Home / 15,360.76-21,198.14-9,073.14

Finding the Fourth Proportional to 15,360.76, 21,198.14 and 9,073.14

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Solution

The fourth proportional to 15,360.76, 21,198.14 and 9,073.14 is: 12,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360.76 : 21,198.14 = 9,073.14 : x
  2. Step 2: Convert to fraction form
    15,360.76/21,198.14 = 9,073.14/x
  3. Step 3: Cross multiply
    15,360.76x = 21,198.14 × 9,073.14
  4. Step 4: Simplify right side
    15,360.76x = 192,333,691.96
  5. Step 5: Solve for x
    x = 192,333,691.96/15,360.76
  6. Step 6: Final answer
    x = 12,521.11

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Half scale
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Double scale
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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.