Home / 17,868.28-24,660.02-9,912.05

Finding the Fourth Proportional to 17,868.28, 24,660.02 and 9,912.05

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Solution

The fourth proportional to 17,868.28, 24,660.02 and 9,912.05 is: 13,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,868.28 : 24,660.02 = 9,912.05 : x
  2. Step 2: Convert to fraction form
    17,868.28/24,660.02 = 9,912.05/x
  3. Step 3: Cross multiply
    17,868.28x = 24,660.02 × 9,912.05
  4. Step 4: Simplify right side
    17,868.28x = 244,431,351.24
  5. Step 5: Solve for x
    x = 244,431,351.24/17,868.28
  6. Step 6: Final answer
    x = 13,679.62

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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.