Home / 13,503.30-20,253.50-3,641.96

Finding the Fourth Proportional to 13,503.30, 20,253.50 and 3,641.96

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Solution

The fourth proportional to 13,503.30, 20,253.50 and 3,641.96 is: 5,462.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503.30 : 20,253.50 = 3,641.96 : x
  2. Step 2: Convert to fraction form
    13,503.30/20,253.50 = 3,641.96/x
  3. Step 3: Cross multiply
    13,503.30x = 20,253.50 × 3,641.96
  4. Step 4: Simplify right side
    13,503.30x = 73,762,436.86
  5. Step 5: Solve for x
    x = 73,762,436.86/13,503.30
  6. Step 6: Final answer
    x = 5,462.55

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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.