Home / 12,008.18-18,013.18-3,242.97

Finding the Fourth Proportional to 12,008.18, 18,013.18 and 3,242.97

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Solution

The fourth proportional to 12,008.18, 18,013.18 and 3,242.97 is: 4,864.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008.18 : 18,013.18 = 3,242.97 : x
  2. Step 2: Convert to fraction form
    12,008.18/18,013.18 = 3,242.97/x
  3. Step 3: Cross multiply
    12,008.18x = 18,013.18 × 3,242.97
  4. Step 4: Simplify right side
    12,008.18x = 58,416,112.28
  5. Step 5: Solve for x
    x = 58,416,112.28/12,008.18
  6. Step 6: Final answer
    x = 4,864.69

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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.