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Finding the Fourth Proportional to 17,874.47, 26,806.48 and 6,773.15

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Solution

The fourth proportional to 17,874.47, 26,806.48 and 6,773.15 is: 10,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,874.47 : 26,806.48 = 6,773.15 : x
  2. Step 2: Convert to fraction form
    17,874.47/26,806.48 = 6,773.15/x
  3. Step 3: Cross multiply
    17,874.47x = 26,806.48 × 6,773.15
  4. Step 4: Simplify right side
    17,874.47x = 181,564,159.05
  5. Step 5: Solve for x
    x = 181,564,159.05/17,874.47
  6. Step 6: Final answer
    x = 10,157.74

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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.