Home / 18,833.28-28,219.92-9,948.27

Finding the Fourth Proportional to 18,833.28, 28,219.92 and 9,948.27

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Solution

The fourth proportional to 18,833.28, 28,219.92 and 9,948.27 is: 14,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.28 : 28,219.92 = 9,948.27 : x
  2. Step 2: Convert to fraction form
    18,833.28/28,219.92 = 9,948.27/x
  3. Step 3: Cross multiply
    18,833.28x = 28,219.92 × 9,948.27
  4. Step 4: Simplify right side
    18,833.28x = 280,739,383.54
  5. Step 5: Solve for x
    x = 280,739,383.54/18,833.28
  6. Step 6: Final answer
    x = 14,906.56

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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.