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Finding the Fourth Proportional to 9,019, 13,516.62 and 3,818.44

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Solution

The fourth proportional to 9,019, 13,516.62 and 3,818.44 is: 5,722.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019 : 13,516.62 = 3,818.44 : x
  2. Step 2: Convert to fraction form
    9,019/13,516.62 = 3,818.44/x
  3. Step 3: Cross multiply
    9,019x = 13,516.62 × 3,818.44
  4. Step 4: Simplify right side
    9,019x = 51,612,402.47
  5. Step 5: Solve for x
    x = 51,612,402.47/9,019
  6. Step 6: Final answer
    x = 5,722.63

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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.