Home / 17,445.78-24,077.20-9,791.16

Finding the Fourth Proportional to 17,445.78, 24,077.20 and 9,791.16

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Solution

The fourth proportional to 17,445.78, 24,077.20 and 9,791.16 is: 13,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,445.78 : 24,077.20 = 9,791.16 : x
  2. Step 2: Convert to fraction form
    17,445.78/24,077.20 = 9,791.16/x
  3. Step 3: Cross multiply
    17,445.78x = 24,077.20 × 9,791.16
  4. Step 4: Simplify right side
    17,445.78x = 235,743,717.55
  5. Step 5: Solve for x
    x = 235,743,717.55/17,445.78
  6. Step 6: Final answer
    x = 13,512.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.