Home / 13,517.20-20,259.96-6,113.04

Finding the Fourth Proportional to 13,517.20, 20,259.96 and 6,113.04

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Solution

The fourth proportional to 13,517.20, 20,259.96 and 6,113.04 is: 9,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.20 : 20,259.96 = 6,113.04 : x
  2. Step 2: Convert to fraction form
    13,517.20/20,259.96 = 6,113.04/x
  3. Step 3: Cross multiply
    13,517.20x = 20,259.96 × 6,113.04
  4. Step 4: Simplify right side
    13,517.20x = 123,849,945.88
  5. Step 5: Solve for x
    x = 123,849,945.88/13,517.20
  6. Step 6: Final answer
    x = 9,162.40

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1.5x scale

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.