Home / 13,512.09-20,250.86-5,710.17

Finding the Fourth Proportional to 13,512.09, 20,250.86 and 5,710.17

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Solution

The fourth proportional to 13,512.09, 20,250.86 and 5,710.17 is: 8,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.09 : 20,250.86 = 5,710.17 : x
  2. Step 2: Convert to fraction form
    13,512.09/20,250.86 = 5,710.17/x
  3. Step 3: Cross multiply
    13,512.09x = 20,250.86 × 5,710.17
  4. Step 4: Simplify right side
    13,512.09x = 115,635,824.70
  5. Step 5: Solve for x
    x = 115,635,824.70/13,512.09
  6. Step 6: Final answer
    x = 8,557.95

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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.