Home / 11,408.85-17,114.64-4,387.23

Finding the Fourth Proportional to 11,408.85, 17,114.64 and 4,387.23

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Solution

The fourth proportional to 11,408.85, 17,114.64 and 4,387.23 is: 6,581.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.85 : 17,114.64 = 4,387.23 : x
  2. Step 2: Convert to fraction form
    11,408.85/17,114.64 = 4,387.23/x
  3. Step 3: Cross multiply
    11,408.85x = 17,114.64 × 4,387.23
  4. Step 4: Simplify right side
    11,408.85x = 75,085,862.05
  5. Step 5: Solve for x
    x = 75,085,862.05/11,408.85
  6. Step 6: Final answer
    x = 6,581.37

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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.