Home / 13,499.72-20,248.86-4,265

Finding the Fourth Proportional to 13,499.72, 20,248.86 and 4,265

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Solution

The fourth proportional to 13,499.72, 20,248.86 and 4,265 is: 6,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,499.72 : 20,248.86 = 4,265 : x
  2. Step 2: Convert to fraction form
    13,499.72/20,248.86 = 4,265/x
  3. Step 3: Cross multiply
    13,499.72x = 20,248.86 × 4,265
  4. Step 4: Simplify right side
    13,499.72x = 86,361,387.90
  5. Step 5: Solve for x
    x = 86,361,387.90/13,499.72
  6. Step 6: Final answer
    x = 6,397.27

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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.