Home / 14,152.12-21,227.82-6,761.80

Finding the Fourth Proportional to 14,152.12, 21,227.82 and 6,761.80

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Solution

The fourth proportional to 14,152.12, 21,227.82 and 6,761.80 is: 10,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.12 : 21,227.82 = 6,761.80 : x
  2. Step 2: Convert to fraction form
    14,152.12/21,227.82 = 6,761.80/x
  3. Step 3: Cross multiply
    14,152.12x = 21,227.82 × 6,761.80
  4. Step 4: Simplify right side
    14,152.12x = 143,538,273.28
  5. Step 5: Solve for x
    x = 143,538,273.28/14,152.12
  6. Step 6: Final answer
    x = 10,142.53

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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.