Home / 15,755.64-23,611.18-8,738.75

Finding the Fourth Proportional to 15,755.64, 23,611.18 and 8,738.75

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Solution

The fourth proportional to 15,755.64, 23,611.18 and 8,738.75 is: 13,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,755.64 : 23,611.18 = 8,738.75 : x
  2. Step 2: Convert to fraction form
    15,755.64/23,611.18 = 8,738.75/x
  3. Step 3: Cross multiply
    15,755.64x = 23,611.18 × 8,738.75
  4. Step 4: Simplify right side
    15,755.64x = 206,332,081.17
  5. Step 5: Solve for x
    x = 206,332,081.17/15,755.64
  6. Step 6: Final answer
    x = 13,095.76

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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.