Home / 13,185.29-19,773.18-4,418.19

Finding the Fourth Proportional to 13,185.29, 19,773.18 and 4,418.19

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Solution

The fourth proportional to 13,185.29, 19,773.18 and 4,418.19 is: 6,625.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185.29 : 19,773.18 = 4,418.19 : x
  2. Step 2: Convert to fraction form
    13,185.29/19,773.18 = 4,418.19/x
  3. Step 3: Cross multiply
    13,185.29x = 19,773.18 × 4,418.19
  4. Step 4: Simplify right side
    13,185.29x = 87,361,666.14
  5. Step 5: Solve for x
    x = 87,361,666.14/13,185.29
  6. Step 6: Final answer
    x = 6,625.69

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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.