Home / 16,938.79-25,408.20-7,072.69

Finding the Fourth Proportional to 16,938.79, 25,408.20 and 7,072.69

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Solution

The fourth proportional to 16,938.79, 25,408.20 and 7,072.69 is: 10,609.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.79 : 25,408.20 = 7,072.69 : x
  2. Step 2: Convert to fraction form
    16,938.79/25,408.20 = 7,072.69/x
  3. Step 3: Cross multiply
    16,938.79x = 25,408.20 × 7,072.69
  4. Step 4: Simplify right side
    16,938.79x = 179,704,322.06
  5. Step 5: Solve for x
    x = 179,704,322.06/16,938.79
  6. Step 6: Final answer
    x = 10,609.04

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.