Home / 10,165.80-15,248.70-6,677.85

Finding the Fourth Proportional to 10,165.80, 15,248.70 and 6,677.85

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Solution

The fourth proportional to 10,165.80, 15,248.70 and 6,677.85 is: 10,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165.80 : 15,248.70 = 6,677.85 : x
  2. Step 2: Convert to fraction form
    10,165.80/15,248.70 = 6,677.85/x
  3. Step 3: Cross multiply
    10,165.80x = 15,248.70 × 6,677.85
  4. Step 4: Simplify right side
    10,165.80x = 101,828,531.30
  5. Step 5: Solve for x
    x = 101,828,531.30/10,165.80
  6. Step 6: Final answer
    x = 10,016.78

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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.