Home / 13,584.80-20,382.36-7,006.76

Finding the Fourth Proportional to 13,584.80, 20,382.36 and 7,006.76

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Solution

The fourth proportional to 13,584.80, 20,382.36 and 7,006.76 is: 10,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.80 : 20,382.36 = 7,006.76 : x
  2. Step 2: Convert to fraction form
    13,584.80/20,382.36 = 7,006.76/x
  3. Step 3: Cross multiply
    13,584.80x = 20,382.36 × 7,006.76
  4. Step 4: Simplify right side
    13,584.80x = 142,814,304.75
  5. Step 5: Solve for x
    x = 142,814,304.75/13,584.80
  6. Step 6: Final answer
    x = 10,512.80

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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.