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Finding the Fourth Proportional to 18,148.68, 27,230.06 and 7,063.16

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Solution

The fourth proportional to 18,148.68, 27,230.06 and 7,063.16 is: 10,597.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.68 : 27,230.06 = 7,063.16 : x
  2. Step 2: Convert to fraction form
    18,148.68/27,230.06 = 7,063.16/x
  3. Step 3: Cross multiply
    18,148.68x = 27,230.06 × 7,063.16
  4. Step 4: Simplify right side
    18,148.68x = 192,330,152.10
  5. Step 5: Solve for x
    x = 192,330,152.10/18,148.68
  6. Step 6: Final answer
    x = 10,597.47

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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.