Home / 18,766.44-28,154.40-5,618.76

Finding the Fourth Proportional to 18,766.44, 28,154.40 and 5,618.76

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Solution

The fourth proportional to 18,766.44, 28,154.40 and 5,618.76 is: 8,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.44 : 28,154.40 = 5,618.76 : x
  2. Step 2: Convert to fraction form
    18,766.44/28,154.40 = 5,618.76/x
  3. Step 3: Cross multiply
    18,766.44x = 28,154.40 × 5,618.76
  4. Step 4: Simplify right side
    18,766.44x = 158,192,816.54
  5. Step 5: Solve for x
    x = 158,192,816.54/18,766.44
  6. Step 6: Final answer
    x = 8,429.56

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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.