Home / 12,344.40-18,504.45-11,032.20

Finding the Fourth Proportional to 12,344.40, 18,504.45 and 11,032.20

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Solution

The fourth proportional to 12,344.40, 18,504.45 and 11,032.20 is: 16,537.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.40 : 18,504.45 = 11,032.20 : x
  2. Step 2: Convert to fraction form
    12,344.40/18,504.45 = 11,032.20/x
  3. Step 3: Cross multiply
    12,344.40x = 18,504.45 × 11,032.20
  4. Step 4: Simplify right side
    12,344.40x = 204,144,793.29
  5. Step 5: Solve for x
    x = 204,144,793.29/12,344.40
  6. Step 6: Final answer
    x = 16,537.44

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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.