Home / 18,158.05-27,237.10-5,678.14

Finding the Fourth Proportional to 18,158.05, 27,237.10 and 5,678.14

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Solution

The fourth proportional to 18,158.05, 27,237.10 and 5,678.14 is: 8,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.05 : 27,237.10 = 5,678.14 : x
  2. Step 2: Convert to fraction form
    18,158.05/27,237.10 = 5,678.14/x
  3. Step 3: Cross multiply
    18,158.05x = 27,237.10 × 5,678.14
  4. Step 4: Simplify right side
    18,158.05x = 154,656,000.13
  5. Step 5: Solve for x
    x = 154,656,000.13/18,158.05
  6. Step 6: Final answer
    x = 8,517.21

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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.