Home / 14,167.80-21,251.70-6,770.52

Finding the Fourth Proportional to 14,167.80, 21,251.70 and 6,770.52

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Solution

The fourth proportional to 14,167.80, 21,251.70 and 6,770.52 is: 10,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.80 : 21,251.70 = 6,770.52 : x
  2. Step 2: Convert to fraction form
    14,167.80/21,251.70 = 6,770.52/x
  3. Step 3: Cross multiply
    14,167.80x = 21,251.70 × 6,770.52
  4. Step 4: Simplify right side
    14,167.80x = 143,885,059.88
  5. Step 5: Solve for x
    x = 143,885,059.88/14,167.80
  6. Step 6: Final answer
    x = 10,155.78

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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.