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Finding the Fourth Proportional to 11,868.24, 16,375.68 and 9,035.04

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Solution

The fourth proportional to 11,868.24, 16,375.68 and 9,035.04 is: 12,466.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.24 : 16,375.68 = 9,035.04 : x
  2. Step 2: Convert to fraction form
    11,868.24/16,375.68 = 9,035.04/x
  3. Step 3: Cross multiply
    11,868.24x = 16,375.68 × 9,035.04
  4. Step 4: Simplify right side
    11,868.24x = 147,954,923.83
  5. Step 5: Solve for x
    x = 147,954,923.83/11,868.24
  6. Step 6: Final answer
    x = 12,466.46

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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.