Home / 9,255.92-12,765.08-6,561.80

Finding the Fourth Proportional to 9,255.92, 12,765.08 and 6,561.80

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Solution

The fourth proportional to 9,255.92, 12,765.08 and 6,561.80 is: 9,049.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.92 : 12,765.08 = 6,561.80 : x
  2. Step 2: Convert to fraction form
    9,255.92/12,765.08 = 6,561.80/x
  3. Step 3: Cross multiply
    9,255.92x = 12,765.08 × 6,561.80
  4. Step 4: Simplify right side
    9,255.92x = 83,761,901.94
  5. Step 5: Solve for x
    x = 83,761,901.94/9,255.92
  6. Step 6: Final answer
    x = 9,049.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.