Home / 18,411.73-27,618.50-5,266.04

Finding the Fourth Proportional to 18,411.73, 27,618.50 and 5,266.04

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Solution

The fourth proportional to 18,411.73, 27,618.50 and 5,266.04 is: 7,899.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.73 : 27,618.50 = 5,266.04 : x
  2. Step 2: Convert to fraction form
    18,411.73/27,618.50 = 5,266.04/x
  3. Step 3: Cross multiply
    18,411.73x = 27,618.50 × 5,266.04
  4. Step 4: Simplify right side
    18,411.73x = 145,440,125.74
  5. Step 5: Solve for x
    x = 145,440,125.74/18,411.73
  6. Step 6: Final answer
    x = 7,899.32

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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.