Home / 18,411.54-27,618.24-5,265.87

Finding the Fourth Proportional to 18,411.54, 27,618.24 and 5,265.87

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Solution

The fourth proportional to 18,411.54, 27,618.24 and 5,265.87 is: 7,899.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.54 : 27,618.24 = 5,265.87 : x
  2. Step 2: Convert to fraction form
    18,411.54/27,618.24 = 5,265.87/x
  3. Step 3: Cross multiply
    18,411.54x = 27,618.24 × 5,265.87
  4. Step 4: Simplify right side
    18,411.54x = 145,434,061.47
  5. Step 5: Solve for x
    x = 145,434,061.47/18,411.54
  6. Step 6: Final answer
    x = 7,899.07

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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.