Home / 13,751.28-20,625.30-6,153.48

Finding the Fourth Proportional to 13,751.28, 20,625.30 and 6,153.48

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Solution

The fourth proportional to 13,751.28, 20,625.30 and 6,153.48 is: 9,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.28 : 20,625.30 = 6,153.48 : x
  2. Step 2: Convert to fraction form
    13,751.28/20,625.30 = 6,153.48/x
  3. Step 3: Cross multiply
    13,751.28x = 20,625.30 × 6,153.48
  4. Step 4: Simplify right side
    13,751.28x = 126,917,371.04
  5. Step 5: Solve for x
    x = 126,917,371.04/13,751.28
  6. Step 6: Final answer
    x = 9,229.50

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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.