Home / 14,721.11-20,315.23-8,006.79

Finding the Fourth Proportional to 14,721.11, 20,315.23 and 8,006.79

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Solution

The fourth proportional to 14,721.11, 20,315.23 and 8,006.79 is: 11,049.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721.11 : 20,315.23 = 8,006.79 : x
  2. Step 2: Convert to fraction form
    14,721.11/20,315.23 = 8,006.79/x
  3. Step 3: Cross multiply
    14,721.11x = 20,315.23 × 8,006.79
  4. Step 4: Simplify right side
    14,721.11x = 162,659,824.48
  5. Step 5: Solve for x
    x = 162,659,824.48/14,721.11
  6. Step 6: Final answer
    x = 11,049.42

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