Home / 18,158.10-27,238.72-5,010.47

Finding the Fourth Proportional to 18,158.10, 27,238.72 and 5,010.47

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Solution

The fourth proportional to 18,158.10, 27,238.72 and 5,010.47 is: 7,516.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.10 : 27,238.72 = 5,010.47 : x
  2. Step 2: Convert to fraction form
    18,158.10/27,238.72 = 5,010.47/x
  3. Step 3: Cross multiply
    18,158.10x = 27,238.72 × 5,010.47
  4. Step 4: Simplify right side
    18,158.10x = 136,478,789.40
  5. Step 5: Solve for x
    x = 136,478,789.40/18,158.10
  6. Step 6: Final answer
    x = 7,516.14

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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.