Home / 18,496.80-25,515.60-11,043.36

Finding the Fourth Proportional to 18,496.80, 25,515.60 and 11,043.36

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Solution

The fourth proportional to 18,496.80, 25,515.60 and 11,043.36 is: 15,233.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496.80 : 25,515.60 = 11,043.36 : x
  2. Step 2: Convert to fraction form
    18,496.80/25,515.60 = 11,043.36/x
  3. Step 3: Cross multiply
    18,496.80x = 25,515.60 × 11,043.36
  4. Step 4: Simplify right side
    18,496.80x = 281,777,956.42
  5. Step 5: Solve for x
    x = 281,777,956.42/18,496.80
  6. Step 6: Final answer
    x = 15,233.88

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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.