Home / 12,372.35-18,553.95-5,353.38

Finding the Fourth Proportional to 12,372.35, 18,553.95 and 5,353.38

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Solution

The fourth proportional to 12,372.35, 18,553.95 and 5,353.38 is: 8,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.35 : 18,553.95 = 5,353.38 : x
  2. Step 2: Convert to fraction form
    12,372.35/18,553.95 = 5,353.38/x
  3. Step 3: Cross multiply
    12,372.35x = 18,553.95 × 5,353.38
  4. Step 4: Simplify right side
    12,372.35x = 99,326,344.85
  5. Step 5: Solve for x
    x = 99,326,344.85/12,372.35
  6. Step 6: Final answer
    x = 8,028.09

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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.