Home / 12,008.14-18,013.20-3,243.52

Finding the Fourth Proportional to 12,008.14, 18,013.20 and 3,243.52

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Solution

The fourth proportional to 12,008.14, 18,013.20 and 3,243.52 is: 4,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008.14 : 18,013.20 = 3,243.52 : x
  2. Step 2: Convert to fraction form
    12,008.14/18,013.20 = 3,243.52/x
  3. Step 3: Cross multiply
    12,008.14x = 18,013.20 × 3,243.52
  4. Step 4: Simplify right side
    12,008.14x = 58,426,174.46
  5. Step 5: Solve for x
    x = 58,426,174.46/12,008.14
  6. Step 6: Final answer
    x = 4,865.55

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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.