Home / 18,982.28-28,476.15-5,835.76

Finding the Fourth Proportional to 18,982.28, 28,476.15 and 5,835.76

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Solution

The fourth proportional to 18,982.28, 28,476.15 and 5,835.76 is: 8,754.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.28 : 28,476.15 = 5,835.76 : x
  2. Step 2: Convert to fraction form
    18,982.28/28,476.15 = 5,835.76/x
  3. Step 3: Cross multiply
    18,982.28x = 28,476.15 × 5,835.76
  4. Step 4: Simplify right side
    18,982.28x = 166,179,884.05
  5. Step 5: Solve for x
    x = 166,179,884.05/18,982.28
  6. Step 6: Final answer
    x = 8,754.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.