Home / 12,330.06-18,496.88-3,893.71

Finding the Fourth Proportional to 12,330.06, 18,496.88 and 3,893.71

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Solution

The fourth proportional to 12,330.06, 18,496.88 and 3,893.71 is: 5,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.06 : 18,496.88 = 3,893.71 : x
  2. Step 2: Convert to fraction form
    12,330.06/18,496.88 = 3,893.71/x
  3. Step 3: Cross multiply
    12,330.06x = 18,496.88 × 3,893.71
  4. Step 4: Simplify right side
    12,330.06x = 72,021,455.14
  5. Step 5: Solve for x
    x = 72,021,455.14/12,330.06
  6. Step 6: Final answer
    x = 5,841.13

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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.