Home / 17,407.20-26,115.30-7,544.22

Finding the Fourth Proportional to 17,407.20, 26,115.30 and 7,544.22

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Solution

The fourth proportional to 17,407.20, 26,115.30 and 7,544.22 is: 11,318.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,407.20 : 26,115.30 = 7,544.22 : x
  2. Step 2: Convert to fraction form
    17,407.20/26,115.30 = 7,544.22/x
  3. Step 3: Cross multiply
    17,407.20x = 26,115.30 × 7,544.22
  4. Step 4: Simplify right side
    17,407.20x = 197,019,568.57
  5. Step 5: Solve for x
    x = 197,019,568.57/17,407.20
  6. Step 6: Final answer
    x = 11,318.28

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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.