Home / 13,440.20-20,169.48-4,675.04

Finding the Fourth Proportional to 13,440.20, 20,169.48 and 4,675.04

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Solution

The fourth proportional to 13,440.20, 20,169.48 and 4,675.04 is: 7,015.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440.20 : 20,169.48 = 4,675.04 : x
  2. Step 2: Convert to fraction form
    13,440.20/20,169.48 = 4,675.04/x
  3. Step 3: Cross multiply
    13,440.20x = 20,169.48 × 4,675.04
  4. Step 4: Simplify right side
    13,440.20x = 94,293,125.78
  5. Step 5: Solve for x
    x = 94,293,125.78/13,440.20
  6. Step 6: Final answer
    x = 7,015.75

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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.