Home / 12,660.28-17,471.24-6,995.02

Finding the Fourth Proportional to 12,660.28, 17,471.24 and 6,995.02

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Solution

The fourth proportional to 12,660.28, 17,471.24 and 6,995.02 is: 9,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660.28 : 17,471.24 = 6,995.02 : x
  2. Step 2: Convert to fraction form
    12,660.28/17,471.24 = 6,995.02/x
  3. Step 3: Cross multiply
    12,660.28x = 17,471.24 × 6,995.02
  4. Step 4: Simplify right side
    12,660.28x = 122,211,584.75
  5. Step 5: Solve for x
    x = 122,211,584.75/12,660.28
  6. Step 6: Final answer
    x = 9,653.15

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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.