Home / 13,500.06-20,286.09-7,264.86

Finding the Fourth Proportional to 13,500.06, 20,286.09 and 7,264.86

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Solution

The fourth proportional to 13,500.06, 20,286.09 and 7,264.86 is: 10,916.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.06 : 20,286.09 = 7,264.86 : x
  2. Step 2: Convert to fraction form
    13,500.06/20,286.09 = 7,264.86/x
  3. Step 3: Cross multiply
    13,500.06x = 20,286.09 × 7,264.86
  4. Step 4: Simplify right side
    13,500.06x = 147,375,603.80
  5. Step 5: Solve for x
    x = 147,375,603.80/13,500.06
  6. Step 6: Final answer
    x = 10,916.66

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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.