Home / 14,747.12-22,169.28-13,664.96

Finding the Fourth Proportional to 14,747.12, 22,169.28 and 13,664.96

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Solution

The fourth proportional to 14,747.12, 22,169.28 and 13,664.96 is: 20,542.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.12 : 22,169.28 = 13,664.96 : x
  2. Step 2: Convert to fraction form
    14,747.12/22,169.28 = 13,664.96/x
  3. Step 3: Cross multiply
    14,747.12x = 22,169.28 × 13,664.96
  4. Step 4: Simplify right side
    14,747.12x = 302,942,324.43
  5. Step 5: Solve for x
    x = 302,942,324.43/14,747.12
  6. Step 6: Final answer
    x = 20,542.47

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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.