Home / 15,108.75-22,552.22-13,995.43

Finding the Fourth Proportional to 15,108.75, 22,552.22 and 13,995.43

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Solution

The fourth proportional to 15,108.75, 22,552.22 and 13,995.43 is: 20,890.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.75 : 22,552.22 = 13,995.43 : x
  2. Step 2: Convert to fraction form
    15,108.75/22,552.22 = 13,995.43/x
  3. Step 3: Cross multiply
    15,108.75x = 22,552.22 × 13,995.43
  4. Step 4: Simplify right side
    15,108.75x = 315,628,016.35
  5. Step 5: Solve for x
    x = 315,628,016.35/15,108.75
  6. Step 6: Final answer
    x = 20,890.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.