Home / 18,145.62-27,213.23-7,049.93

Finding the Fourth Proportional to 18,145.62, 27,213.23 and 7,049.93

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Solution

The fourth proportional to 18,145.62, 27,213.23 and 7,049.93 is: 10,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.62 : 27,213.23 = 7,049.93 : x
  2. Step 2: Convert to fraction form
    18,145.62/27,213.23 = 7,049.93/x
  3. Step 3: Cross multiply
    18,145.62x = 27,213.23 × 7,049.93
  4. Step 4: Simplify right side
    18,145.62x = 191,851,248.13
  5. Step 5: Solve for x
    x = 191,851,248.13/18,145.62
  6. Step 6: Final answer
    x = 10,572.87

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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.