Home / 16,938.67-25,408.02-7,072.57

Finding the Fourth Proportional to 16,938.67, 25,408.02 and 7,072.57

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Solution

The fourth proportional to 16,938.67, 25,408.02 and 7,072.57 is: 10,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.67 : 25,408.02 = 7,072.57 : x
  2. Step 2: Convert to fraction form
    16,938.67/25,408.02 = 7,072.57/x
  3. Step 3: Cross multiply
    16,938.67x = 25,408.02 × 7,072.57
  4. Step 4: Simplify right side
    16,938.67x = 179,699,837.61
  5. Step 5: Solve for x
    x = 179,699,837.61/16,938.67
  6. Step 6: Final answer
    x = 10,608.85

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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.