Home / 18,144.04-27,216.06-5,665.13

Finding the Fourth Proportional to 18,144.04, 27,216.06 and 5,665.13

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Solution

The fourth proportional to 18,144.04, 27,216.06 and 5,665.13 is: 8,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.04 : 27,216.06 = 5,665.13 : x
  2. Step 2: Convert to fraction form
    18,144.04/27,216.06 = 5,665.13/x
  3. Step 3: Cross multiply
    18,144.04x = 27,216.06 × 5,665.13
  4. Step 4: Simplify right side
    18,144.04x = 154,182,511.62
  5. Step 5: Solve for x
    x = 154,182,511.62/18,144.04
  6. Step 6: Final answer
    x = 8,497.70

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Double scale
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Similar ratio
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1.5x scale

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.