Home / 17,869.68-24,660.36-9,912.15

Finding the Fourth Proportional to 17,869.68, 24,660.36 and 9,912.15

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Solution

The fourth proportional to 17,869.68, 24,660.36 and 9,912.15 is: 13,678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869.68 : 24,660.36 = 9,912.15 : x
  2. Step 2: Convert to fraction form
    17,869.68/24,660.36 = 9,912.15/x
  3. Step 3: Cross multiply
    17,869.68x = 24,660.36 × 9,912.15
  4. Step 4: Simplify right side
    17,869.68x = 244,437,187.37
  5. Step 5: Solve for x
    x = 244,437,187.37/17,869.68
  6. Step 6: Final answer
    x = 13,678.88

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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.