Home / 18,158.55-27,239.40-5,010.92

Finding the Fourth Proportional to 18,158.55, 27,239.40 and 5,010.92

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Solution

The fourth proportional to 18,158.55, 27,239.40 and 5,010.92 is: 7,516.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.55 : 27,239.40 = 5,010.92 : x
  2. Step 2: Convert to fraction form
    18,158.55/27,239.40 = 5,010.92/x
  3. Step 3: Cross multiply
    18,158.55x = 27,239.40 × 5,010.92
  4. Step 4: Simplify right side
    18,158.55x = 136,494,573.42
  5. Step 5: Solve for x
    x = 136,494,573.42/18,158.55
  6. Step 6: Final answer
    x = 7,516.82

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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.