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Finding the Fourth Proportional to 18,151.76, 27,229.01 and 5,004.02

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Solution

The fourth proportional to 18,151.76, 27,229.01 and 5,004.02 is: 7,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.76 : 27,229.01 = 5,004.02 : x
  2. Step 2: Convert to fraction form
    18,151.76/27,229.01 = 5,004.02/x
  3. Step 3: Cross multiply
    18,151.76x = 27,229.01 × 5,004.02
  4. Step 4: Simplify right side
    18,151.76x = 136,254,349.46
  5. Step 5: Solve for x
    x = 136,254,349.46/18,151.76
  6. Step 6: Final answer
    x = 7,506.40

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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.