Home / 18,839.88-25,997.22-10,455.84

Finding the Fourth Proportional to 18,839.88, 25,997.22 and 10,455.84

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Solution

The fourth proportional to 18,839.88, 25,997.22 and 10,455.84 is: 14,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.88 : 25,997.22 = 10,455.84 : x
  2. Step 2: Convert to fraction form
    18,839.88/25,997.22 = 10,455.84/x
  3. Step 3: Cross multiply
    18,839.88x = 25,997.22 × 10,455.84
  4. Step 4: Simplify right side
    18,839.88x = 271,822,772.76
  5. Step 5: Solve for x
    x = 271,822,772.76/18,839.88
  6. Step 6: Final answer
    x = 14,428.05

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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.