Home / 14,770.91-22,131.31-8,915.22

Finding the Fourth Proportional to 14,770.91, 22,131.31 and 8,915.22

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Solution

The fourth proportional to 14,770.91, 22,131.31 and 8,915.22 is: 13,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,770.91 : 22,131.31 = 8,915.22 : x
  2. Step 2: Convert to fraction form
    14,770.91/22,131.31 = 8,915.22/x
  3. Step 3: Cross multiply
    14,770.91x = 22,131.31 × 8,915.22
  4. Step 4: Simplify right side
    14,770.91x = 197,305,497.54
  5. Step 5: Solve for x
    x = 197,305,497.54/14,770.91
  6. Step 6: Final answer
    x = 13,357.71

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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.