Home / 9,751.20-13,471.96-6,392.76

Finding the Fourth Proportional to 9,751.20, 13,471.96 and 6,392.76

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Solution

The fourth proportional to 9,751.20, 13,471.96 and 6,392.76 is: 8,832.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,751.20 : 13,471.96 = 6,392.76 : x
  2. Step 2: Convert to fraction form
    9,751.20/13,471.96 = 6,392.76/x
  3. Step 3: Cross multiply
    9,751.20x = 13,471.96 × 6,392.76
  4. Step 4: Simplify right side
    9,751.20x = 86,123,007.01
  5. Step 5: Solve for x
    x = 86,123,007.01/9,751.20
  6. Step 6: Final answer
    x = 8,832.04

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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.