Home / 12,209.11-18,312.03-3,444.73

Finding the Fourth Proportional to 12,209.11, 18,312.03 and 3,444.73

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Solution

The fourth proportional to 12,209.11, 18,312.03 and 3,444.73 is: 5,166.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209.11 : 18,312.03 = 3,444.73 : x
  2. Step 2: Convert to fraction form
    12,209.11/18,312.03 = 3,444.73/x
  3. Step 3: Cross multiply
    12,209.11x = 18,312.03 × 3,444.73
  4. Step 4: Simplify right side
    12,209.11x = 63,079,999.10
  5. Step 5: Solve for x
    x = 63,079,999.10/12,209.11
  6. Step 6: Final answer
    x = 5,166.63

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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.