Home / 10,517.45-15,775.97-2,726.06

Finding the Fourth Proportional to 10,517.45, 15,775.97 and 2,726.06

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Solution

The fourth proportional to 10,517.45, 15,775.97 and 2,726.06 is: 4,089.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.45 : 15,775.97 = 2,726.06 : x
  2. Step 2: Convert to fraction form
    10,517.45/15,775.97 = 2,726.06/x
  3. Step 3: Cross multiply
    10,517.45x = 15,775.97 × 2,726.06
  4. Step 4: Simplify right side
    10,517.45x = 43,006,148.27
  5. Step 5: Solve for x
    x = 43,006,148.27/10,517.45
  6. Step 6: Final answer
    x = 4,089.03

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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.