Home / 18,700.38-28,055.18-5,552.73

Finding the Fourth Proportional to 18,700.38, 28,055.18 and 5,552.73

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Solution

The fourth proportional to 18,700.38, 28,055.18 and 5,552.73 is: 8,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700.38 : 28,055.18 = 5,552.73 : x
  2. Step 2: Convert to fraction form
    18,700.38/28,055.18 = 5,552.73/x
  3. Step 3: Cross multiply
    18,700.38x = 28,055.18 × 5,552.73
  4. Step 4: Simplify right side
    18,700.38x = 155,782,811.88
  5. Step 5: Solve for x
    x = 155,782,811.88/18,700.38
  6. Step 6: Final answer
    x = 8,330.46

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Double scale
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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.