Home / 11,408.61-17,113.19-3,617.49

Finding the Fourth Proportional to 11,408.61, 17,113.19 and 3,617.49

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Solution

The fourth proportional to 11,408.61, 17,113.19 and 3,617.49 is: 5,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.61 : 17,113.19 = 3,617.49 : x
  2. Step 2: Convert to fraction form
    11,408.61/17,113.19 = 3,617.49/x
  3. Step 3: Cross multiply
    11,408.61x = 17,113.19 × 3,617.49
  4. Step 4: Simplify right side
    11,408.61x = 61,906,775.61
  5. Step 5: Solve for x
    x = 61,906,775.61/11,408.61
  6. Step 6: Final answer
    x = 5,426.32

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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.