Home / 14,110.50-21,167.58-4,250.78

Finding the Fourth Proportional to 14,110.50, 21,167.58 and 4,250.78

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Solution

The fourth proportional to 14,110.50, 21,167.58 and 4,250.78 is: 6,376.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.50 : 21,167.58 = 4,250.78 : x
  2. Step 2: Convert to fraction form
    14,110.50/21,167.58 = 4,250.78/x
  3. Step 3: Cross multiply
    14,110.50x = 21,167.58 × 4,250.78
  4. Step 4: Simplify right side
    14,110.50x = 89,978,691.28
  5. Step 5: Solve for x
    x = 89,978,691.28/14,110.50
  6. Step 6: Final answer
    x = 6,376.72

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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.