Home / 12,412.11-18,618.12-5,016.48

Finding the Fourth Proportional to 12,412.11, 18,618.12 and 5,016.48

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Solution

The fourth proportional to 12,412.11, 18,618.12 and 5,016.48 is: 7,524.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412.11 : 18,618.12 = 5,016.48 : x
  2. Step 2: Convert to fraction form
    12,412.11/18,618.12 = 5,016.48/x
  3. Step 3: Cross multiply
    12,412.11x = 18,618.12 × 5,016.48
  4. Step 4: Simplify right side
    12,412.11x = 93,397,308.44
  5. Step 5: Solve for x
    x = 93,397,308.44/12,412.11
  6. Step 6: Final answer
    x = 7,524.70

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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.