Home / 13,912.28-20,869.71-4,552.36

Finding the Fourth Proportional to 13,912.28, 20,869.71 and 4,552.36

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Solution

The fourth proportional to 13,912.28, 20,869.71 and 4,552.36 is: 6,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.28 : 20,869.71 = 4,552.36 : x
  2. Step 2: Convert to fraction form
    13,912.28/20,869.71 = 4,552.36/x
  3. Step 3: Cross multiply
    13,912.28x = 20,869.71 × 4,552.36
  4. Step 4: Simplify right side
    13,912.28x = 95,006,433.02
  5. Step 5: Solve for x
    x = 95,006,433.02/13,912.28
  6. Step 6: Final answer
    x = 6,828.96

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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.