Home / 17,478.06-26,217.03-7,089.78

Finding the Fourth Proportional to 17,478.06, 26,217.03 and 7,089.78

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Solution

The fourth proportional to 17,478.06, 26,217.03 and 7,089.78 is: 10,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.06 : 26,217.03 = 7,089.78 : x
  2. Step 2: Convert to fraction form
    17,478.06/26,217.03 = 7,089.78/x
  3. Step 3: Cross multiply
    17,478.06x = 26,217.03 × 7,089.78
  4. Step 4: Simplify right side
    17,478.06x = 185,872,974.95
  5. Step 5: Solve for x
    x = 185,872,974.95/17,478.06
  6. Step 6: Final answer
    x = 10,634.65

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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.