Home / 9,939.92-13,712.58-6,162.08

Finding the Fourth Proportional to 9,939.92, 13,712.58 and 6,162.08

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Solution

The fourth proportional to 9,939.92, 13,712.58 and 6,162.08 is: 8,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.92 : 13,712.58 = 6,162.08 : x
  2. Step 2: Convert to fraction form
    9,939.92/13,712.58 = 6,162.08/x
  3. Step 3: Cross multiply
    9,939.92x = 13,712.58 × 6,162.08
  4. Step 4: Simplify right side
    9,939.92x = 84,498,014.97
  5. Step 5: Solve for x
    x = 84,498,014.97/9,939.92
  6. Step 6: Final answer
    x = 8,500.87

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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.