Home / 13,229.88-19,857.78-6,309.24

Finding the Fourth Proportional to 13,229.88, 19,857.78 and 6,309.24

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Solution

The fourth proportional to 13,229.88, 19,857.78 and 6,309.24 is: 9,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229.88 : 19,857.78 = 6,309.24 : x
  2. Step 2: Convert to fraction form
    13,229.88/19,857.78 = 6,309.24/x
  3. Step 3: Cross multiply
    13,229.88x = 19,857.78 × 6,309.24
  4. Step 4: Simplify right side
    13,229.88x = 125,287,499.89
  5. Step 5: Solve for x
    x = 125,287,499.89/13,229.88
  6. Step 6: Final answer
    x = 9,470.04

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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.