Home / 18,213.17-27,290.39-14,334.89

Finding the Fourth Proportional to 18,213.17, 27,290.39 and 14,334.89

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Solution

The fourth proportional to 18,213.17, 27,290.39 and 14,334.89 is: 21,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.17 : 27,290.39 = 14,334.89 : x
  2. Step 2: Convert to fraction form
    18,213.17/27,290.39 = 14,334.89/x
  3. Step 3: Cross multiply
    18,213.17x = 27,290.39 × 14,334.89
  4. Step 4: Simplify right side
    18,213.17x = 391,204,530.58
  5. Step 5: Solve for x
    x = 391,204,530.58/18,213.17
  6. Step 6: Final answer
    x = 21,479.22

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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.