Home / 11,165.90-16,749.23-5,616.22

Finding the Fourth Proportional to 11,165.90, 16,749.23 and 5,616.22

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Solution

The fourth proportional to 11,165.90, 16,749.23 and 5,616.22 is: 8,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.90 : 16,749.23 = 5,616.22 : x
  2. Step 2: Convert to fraction form
    11,165.90/16,749.23 = 5,616.22/x
  3. Step 3: Cross multiply
    11,165.90x = 16,749.23 × 5,616.22
  4. Step 4: Simplify right side
    11,165.90x = 94,067,290.56
  5. Step 5: Solve for x
    x = 94,067,290.56/11,165.90
  6. Step 6: Final answer
    x = 8,424.51

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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.