Home / 10,288.20-15,456.90-6,597.66

Finding the Fourth Proportional to 10,288.20, 15,456.90 and 6,597.66

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Solution

The fourth proportional to 10,288.20, 15,456.90 and 6,597.66 is: 9,912.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.20 : 15,456.90 = 6,597.66 : x
  2. Step 2: Convert to fraction form
    10,288.20/15,456.90 = 6,597.66/x
  3. Step 3: Cross multiply
    10,288.20x = 15,456.90 × 6,597.66
  4. Step 4: Simplify right side
    10,288.20x = 101,979,370.85
  5. Step 5: Solve for x
    x = 101,979,370.85/10,288.20
  6. Step 6: Final answer
    x = 9,912.27

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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.