Home / 15,065.62-20,790.53-8,351.26

Finding the Fourth Proportional to 15,065.62, 20,790.53 and 8,351.26

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Solution

The fourth proportional to 15,065.62, 20,790.53 and 8,351.26 is: 11,524.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,065.62 : 20,790.53 = 8,351.26 : x
  2. Step 2: Convert to fraction form
    15,065.62/20,790.53 = 8,351.26/x
  3. Step 3: Cross multiply
    15,065.62x = 20,790.53 × 8,351.26
  4. Step 4: Simplify right side
    15,065.62x = 173,627,121.57
  5. Step 5: Solve for x
    x = 173,627,121.57/15,065.62
  6. Step 6: Final answer
    x = 11,524.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.