Home / 11,546.64-17,319.98-2,781.56

Finding the Fourth Proportional to 11,546.64, 17,319.98 and 2,781.56

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Solution

The fourth proportional to 11,546.64, 17,319.98 and 2,781.56 is: 4,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,546.64 : 17,319.98 = 2,781.56 : x
  2. Step 2: Convert to fraction form
    11,546.64/17,319.98 = 2,781.56/x
  3. Step 3: Cross multiply
    11,546.64x = 17,319.98 × 2,781.56
  4. Step 4: Simplify right side
    11,546.64x = 48,176,613.82
  5. Step 5: Solve for x
    x = 48,176,613.82/11,546.64
  6. Step 6: Final answer
    x = 4,172.35

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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.