Home / 17,278.10-25,912.36-7,415.19

Finding the Fourth Proportional to 17,278.10, 25,912.36 and 7,415.19

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Solution

The fourth proportional to 17,278.10, 25,912.36 and 7,415.19 is: 11,120.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,278.10 : 25,912.36 = 7,415.19 : x
  2. Step 2: Convert to fraction form
    17,278.10/25,912.36 = 7,415.19/x
  3. Step 3: Cross multiply
    17,278.10x = 25,912.36 × 7,415.19
  4. Step 4: Simplify right side
    17,278.10x = 192,145,007.97
  5. Step 5: Solve for x
    x = 192,145,007.97/17,278.10
  6. Step 6: Final answer
    x = 11,120.72

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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.