Home / 18,764.50-28,146.66-5,616.38

Finding the Fourth Proportional to 18,764.50, 28,146.66 and 5,616.38

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Solution

The fourth proportional to 18,764.50, 28,146.66 and 5,616.38 is: 8,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764.50 : 28,146.66 = 5,616.38 : x
  2. Step 2: Convert to fraction form
    18,764.50/28,146.66 = 5,616.38/x
  3. Step 3: Cross multiply
    18,764.50x = 28,146.66 × 5,616.38
  4. Step 4: Simplify right side
    18,764.50x = 158,082,338.29
  5. Step 5: Solve for x
    x = 158,082,338.29/18,764.50
  6. Step 6: Final answer
    x = 8,424.54

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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.