Home / 14,584.28-20,140.11-11,621.90

Finding the Fourth Proportional to 14,584.28, 20,140.11 and 11,621.90

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Solution

The fourth proportional to 14,584.28, 20,140.11 and 11,621.90 is: 16,049.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,584.28 : 20,140.11 = 11,621.90 : x
  2. Step 2: Convert to fraction form
    14,584.28/20,140.11 = 11,621.90/x
  3. Step 3: Cross multiply
    14,584.28x = 20,140.11 × 11,621.90
  4. Step 4: Simplify right side
    14,584.28x = 234,066,394.76
  5. Step 5: Solve for x
    x = 234,066,394.76/14,584.28
  6. Step 6: Final answer
    x = 16,049.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.