Home / 22,003.74-30,381.80-13,517.49

Finding the Fourth Proportional to 22,003.74, 30,381.80 and 13,517.49

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Solution

The fourth proportional to 22,003.74, 30,381.80 and 13,517.49 is: 18,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,003.74 : 30,381.80 = 13,517.49 : x
  2. Step 2: Convert to fraction form
    22,003.74/30,381.80 = 13,517.49/x
  3. Step 3: Cross multiply
    22,003.74x = 30,381.80 × 13,517.49
  4. Step 4: Simplify right side
    22,003.74x = 410,685,686.05
  5. Step 5: Solve for x
    x = 410,685,686.05/22,003.74
  6. Step 6: Final answer
    x = 18,664.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.