Home / 18,343.22-27,487.85-10,839.06

Finding the Fourth Proportional to 18,343.22, 27,487.85 and 10,839.06

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Solution

The fourth proportional to 18,343.22, 27,487.85 and 10,839.06 is: 16,242.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343.22 : 27,487.85 = 10,839.06 : x
  2. Step 2: Convert to fraction form
    18,343.22/27,487.85 = 10,839.06/x
  3. Step 3: Cross multiply
    18,343.22x = 27,487.85 × 10,839.06
  4. Step 4: Simplify right side
    18,343.22x = 297,942,401.23
  5. Step 5: Solve for x
    x = 297,942,401.23/18,343.22
  6. Step 6: Final answer
    x = 16,242.65

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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.