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Finding the Fourth Proportional to 12,167.91, 18,250.95 and 3,403.51

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Solution

The fourth proportional to 12,167.91, 18,250.95 and 3,403.51 is: 5,105.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.91 : 18,250.95 = 3,403.51 : x
  2. Step 2: Convert to fraction form
    12,167.91/18,250.95 = 3,403.51/x
  3. Step 3: Cross multiply
    12,167.91x = 18,250.95 × 3,403.51
  4. Step 4: Simplify right side
    12,167.91x = 62,117,290.83
  5. Step 5: Solve for x
    x = 62,117,290.83/12,167.91
  6. Step 6: Final answer
    x = 5,105.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.