Home / 18,749.78-25,874.71-10,793.55

Finding the Fourth Proportional to 18,749.78, 25,874.71 and 10,793.55

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Solution

The fourth proportional to 18,749.78, 25,874.71 and 10,793.55 is: 14,895.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.78 : 25,874.71 = 10,793.55 : x
  2. Step 2: Convert to fraction form
    18,749.78/25,874.71 = 10,793.55/x
  3. Step 3: Cross multiply
    18,749.78x = 25,874.71 × 10,793.55
  4. Step 4: Simplify right side
    18,749.78x = 279,279,949.14
  5. Step 5: Solve for x
    x = 279,279,949.14/18,749.78
  6. Step 6: Final answer
    x = 14,895.11

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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.