Home / 12,204.29-18,306.71-3,439.01

Finding the Fourth Proportional to 12,204.29, 18,306.71 and 3,439.01

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Solution

The fourth proportional to 12,204.29, 18,306.71 and 3,439.01 is: 5,158.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.29 : 18,306.71 = 3,439.01 : x
  2. Step 2: Convert to fraction form
    12,204.29/18,306.71 = 3,439.01/x
  3. Step 3: Cross multiply
    12,204.29x = 18,306.71 × 3,439.01
  4. Step 4: Simplify right side
    12,204.29x = 62,956,958.76
  5. Step 5: Solve for x
    x = 62,956,958.76/12,204.29
  6. Step 6: Final answer
    x = 5,158.59

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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.