Home / 18,819.32-25,974.70-11,267.32

Finding the Fourth Proportional to 18,819.32, 25,974.70 and 11,267.32

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Solution

The fourth proportional to 18,819.32, 25,974.70 and 11,267.32 is: 15,551.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,819.32 : 25,974.70 = 11,267.32 : x
  2. Step 2: Convert to fraction form
    18,819.32/25,974.70 = 11,267.32/x
  3. Step 3: Cross multiply
    18,819.32x = 25,974.70 × 11,267.32
  4. Step 4: Simplify right side
    18,819.32x = 292,665,256.80
  5. Step 5: Solve for x
    x = 292,665,256.80/18,819.32
  6. Step 6: Final answer
    x = 15,551.32

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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.