Home / 12,163.42-18,246-4,265.02

Finding the Fourth Proportional to 12,163.42, 18,246 and 4,265.02

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Solution

The fourth proportional to 12,163.42, 18,246 and 4,265.02 is: 6,397.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.42 : 18,246 = 4,265.02 : x
  2. Step 2: Convert to fraction form
    12,163.42/18,246 = 4,265.02/x
  3. Step 3: Cross multiply
    12,163.42x = 18,246 × 4,265.02
  4. Step 4: Simplify right side
    12,163.42x = 77,819,554.92
  5. Step 5: Solve for x
    x = 77,819,554.92/12,163.42
  6. Step 6: Final answer
    x = 6,397.84

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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.