Home / 11,182.39-16,781.12-4,608.43

Finding the Fourth Proportional to 11,182.39, 16,781.12 and 4,608.43

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Solution

The fourth proportional to 11,182.39, 16,781.12 and 4,608.43 is: 6,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.39 : 16,781.12 = 4,608.43 : x
  2. Step 2: Convert to fraction form
    11,182.39/16,781.12 = 4,608.43/x
  3. Step 3: Cross multiply
    11,182.39x = 16,781.12 × 4,608.43
  4. Step 4: Simplify right side
    11,182.39x = 77,334,595.05
  5. Step 5: Solve for x
    x = 77,334,595.05/11,182.39
  6. Step 6: Final answer
    x = 6,915.75

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1.5x scale

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.