Home / 17,680.20-26,500.86-7,286.28

Finding the Fourth Proportional to 17,680.20, 26,500.86 and 7,286.28

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Solution

The fourth proportional to 17,680.20, 26,500.86 and 7,286.28 is: 10,921.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680.20 : 26,500.86 = 7,286.28 : x
  2. Step 2: Convert to fraction form
    17,680.20/26,500.86 = 7,286.28/x
  3. Step 3: Cross multiply
    17,680.20x = 26,500.86 × 7,286.28
  4. Step 4: Simplify right side
    17,680.20x = 193,092,686.20
  5. Step 5: Solve for x
    x = 193,092,686.20/17,680.20
  6. Step 6: Final answer
    x = 10,921.41

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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.