Home / 12,073.56-18,108.40-3,306.42

Finding the Fourth Proportional to 12,073.56, 18,108.40 and 3,306.42

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Solution

The fourth proportional to 12,073.56, 18,108.40 and 3,306.42 is: 4,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.56 : 18,108.40 = 3,306.42 : x
  2. Step 2: Convert to fraction form
    12,073.56/18,108.40 = 3,306.42/x
  3. Step 3: Cross multiply
    12,073.56x = 18,108.40 × 3,306.42
  4. Step 4: Simplify right side
    12,073.56x = 59,873,975.93
  5. Step 5: Solve for x
    x = 59,873,975.93/12,073.56
  6. Step 6: Final answer
    x = 4,959.10

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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.