Home / 12,634.93-17,439.33-8,608.42

Finding the Fourth Proportional to 12,634.93, 17,439.33 and 8,608.42

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Solution

The fourth proportional to 12,634.93, 17,439.33 and 8,608.42 is: 11,881.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.93 : 17,439.33 = 8,608.42 : x
  2. Step 2: Convert to fraction form
    12,634.93/17,439.33 = 8,608.42/x
  3. Step 3: Cross multiply
    12,634.93x = 17,439.33 × 8,608.42
  4. Step 4: Simplify right side
    12,634.93x = 150,125,077.16
  5. Step 5: Solve for x
    x = 150,125,077.16/12,634.93
  6. Step 6: Final answer
    x = 11,881.75

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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.