Home / 13,371.42-18,453.24-7,403.75

Finding the Fourth Proportional to 13,371.42, 18,453.24 and 7,403.75

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Solution

The fourth proportional to 13,371.42, 18,453.24 and 7,403.75 is: 10,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.42 : 18,453.24 = 7,403.75 : x
  2. Step 2: Convert to fraction form
    13,371.42/18,453.24 = 7,403.75/x
  3. Step 3: Cross multiply
    13,371.42x = 18,453.24 × 7,403.75
  4. Step 4: Simplify right side
    13,371.42x = 136,623,083.38
  5. Step 5: Solve for x
    x = 136,623,083.38/13,371.42
  6. Step 6: Final answer
    x = 10,217.54

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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.