Home / 11,166.12-16,749.57-5,616.45

Finding the Fourth Proportional to 11,166.12, 16,749.57 and 5,616.45

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Solution

The fourth proportional to 11,166.12, 16,749.57 and 5,616.45 is: 8,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.12 : 16,749.57 = 5,616.45 : x
  2. Step 2: Convert to fraction form
    11,166.12/16,749.57 = 5,616.45/x
  3. Step 3: Cross multiply
    11,166.12x = 16,749.57 × 5,616.45
  4. Step 4: Simplify right side
    11,166.12x = 94,073,122.43
  5. Step 5: Solve for x
    x = 94,073,122.43/11,166.12
  6. Step 6: Final answer
    x = 8,424.87

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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.