Home / 14,157.59-21,227.27-6,761.88

Finding the Fourth Proportional to 14,157.59, 21,227.27 and 6,761.88

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Solution

The fourth proportional to 14,157.59, 21,227.27 and 6,761.88 is: 10,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.59 : 21,227.27 = 6,761.88 : x
  2. Step 2: Convert to fraction form
    14,157.59/21,227.27 = 6,761.88/x
  3. Step 3: Cross multiply
    14,157.59x = 21,227.27 × 6,761.88
  4. Step 4: Simplify right side
    14,157.59x = 143,536,218.66
  5. Step 5: Solve for x
    x = 143,536,218.66/14,157.59
  6. Step 6: Final answer
    x = 10,138.47

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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.