Home / 18,343.39-27,516.62-5,865.19

Finding the Fourth Proportional to 18,343.39, 27,516.62 and 5,865.19

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Solution

The fourth proportional to 18,343.39, 27,516.62 and 5,865.19 is: 8,798.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343.39 : 27,516.62 = 5,865.19 : x
  2. Step 2: Convert to fraction form
    18,343.39/27,516.62 = 5,865.19/x
  3. Step 3: Cross multiply
    18,343.39x = 27,516.62 × 5,865.19
  4. Step 4: Simplify right side
    18,343.39x = 161,390,204.46
  5. Step 5: Solve for x
    x = 161,390,204.46/18,343.39
  6. Step 6: Final answer
    x = 8,798.28

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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.