Home / 13,453.78-20,182.56-3,593.38

Finding the Fourth Proportional to 13,453.78, 20,182.56 and 3,593.38

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Solution

The fourth proportional to 13,453.78, 20,182.56 and 3,593.38 is: 5,390.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.78 : 20,182.56 = 3,593.38 : x
  2. Step 2: Convert to fraction form
    13,453.78/20,182.56 = 3,593.38/x
  3. Step 3: Cross multiply
    13,453.78x = 20,182.56 × 3,593.38
  4. Step 4: Simplify right side
    13,453.78x = 72,523,607.45
  5. Step 5: Solve for x
    x = 72,523,607.45/13,453.78
  6. Step 6: Final answer
    x = 5,390.57

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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.