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Finding the Fourth Proportional to 18,597.42, 25,660.38 and 11,046.24

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Solution

The fourth proportional to 18,597.42, 25,660.38 and 11,046.24 is: 15,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.42 : 25,660.38 = 11,046.24 : x
  2. Step 2: Convert to fraction form
    18,597.42/25,660.38 = 11,046.24/x
  3. Step 3: Cross multiply
    18,597.42x = 25,660.38 × 11,046.24
  4. Step 4: Simplify right side
    18,597.42x = 283,450,715.97
  5. Step 5: Solve for x
    x = 283,450,715.97/18,597.42
  6. Step 6: Final answer
    x = 15,241.40

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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.