Home / 18,278.70-25,223.97-10,212.58

Finding the Fourth Proportional to 18,278.70, 25,223.97 and 10,212.58

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Solution

The fourth proportional to 18,278.70, 25,223.97 and 10,212.58 is: 14,093.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.70 : 25,223.97 = 10,212.58 : x
  2. Step 2: Convert to fraction form
    18,278.70/25,223.97 = 10,212.58/x
  3. Step 3: Cross multiply
    18,278.70x = 25,223.97 × 10,212.58
  4. Step 4: Simplify right side
    18,278.70x = 257,601,811.54
  5. Step 5: Solve for x
    x = 257,601,811.54/18,278.70
  6. Step 6: Final answer
    x = 14,093.01

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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.