Home / 13,854.30-20,799.80-6,463.86

Finding the Fourth Proportional to 13,854.30, 20,799.80 and 6,463.86

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Solution

The fourth proportional to 13,854.30, 20,799.80 and 6,463.86 is: 9,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.30 : 20,799.80 = 6,463.86 : x
  2. Step 2: Convert to fraction form
    13,854.30/20,799.80 = 6,463.86/x
  3. Step 3: Cross multiply
    13,854.30x = 20,799.80 × 6,463.86
  4. Step 4: Simplify right side
    13,854.30x = 134,446,995.23
  5. Step 5: Solve for x
    x = 134,446,995.23/13,854.30
  6. Step 6: Final answer
    x = 9,704.35

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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.