Home / 18,838.18-25,996.41-10,771.75

Finding the Fourth Proportional to 18,838.18, 25,996.41 and 10,771.75

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Solution

The fourth proportional to 18,838.18, 25,996.41 and 10,771.75 is: 14,864.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.18 : 25,996.41 = 10,771.75 : x
  2. Step 2: Convert to fraction form
    18,838.18/25,996.41 = 10,771.75/x
  3. Step 3: Cross multiply
    18,838.18x = 25,996.41 × 10,771.75
  4. Step 4: Simplify right side
    18,838.18x = 280,026,764.43
  5. Step 5: Solve for x
    x = 280,026,764.43/18,838.18
  6. Step 6: Final answer
    x = 14,864.85

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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.