Home / 13,512.09-20,273.97-7,264.80

Finding the Fourth Proportional to 13,512.09, 20,273.97 and 7,264.80

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Solution

The fourth proportional to 13,512.09, 20,273.97 and 7,264.80 is: 10,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.09 : 20,273.97 = 7,264.80 : x
  2. Step 2: Convert to fraction form
    13,512.09/20,273.97 = 7,264.80/x
  3. Step 3: Cross multiply
    13,512.09x = 20,273.97 × 7,264.80
  4. Step 4: Simplify right side
    13,512.09x = 147,286,337.26
  5. Step 5: Solve for x
    x = 147,286,337.26/13,512.09
  6. Step 6: Final answer
    x = 10,900.34

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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.