Home / 18,844.56-28,266.62-4,613.18

Finding the Fourth Proportional to 18,844.56, 28,266.62 and 4,613.18

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Solution

The fourth proportional to 18,844.56, 28,266.62 and 4,613.18 is: 6,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844.56 : 28,266.62 = 4,613.18 : x
  2. Step 2: Convert to fraction form
    18,844.56/28,266.62 = 4,613.18/x
  3. Step 3: Cross multiply
    18,844.56x = 28,266.62 × 4,613.18
  4. Step 4: Simplify right side
    18,844.56x = 130,398,841.65
  5. Step 5: Solve for x
    x = 130,398,841.65/18,844.56
  6. Step 6: Final answer
    x = 6,919.71

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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.