Home / 19,447.49-29,172.77-9,581.38

Finding the Fourth Proportional to 19,447.49, 29,172.77 and 9,581.38

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Solution

The fourth proportional to 19,447.49, 29,172.77 and 9,581.38 is: 14,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.49 : 29,172.77 = 9,581.38 : x
  2. Step 2: Convert to fraction form
    19,447.49/29,172.77 = 9,581.38/x
  3. Step 3: Cross multiply
    19,447.49x = 29,172.77 × 9,581.38
  4. Step 4: Simplify right side
    19,447.49x = 279,515,347.12
  5. Step 5: Solve for x
    x = 279,515,347.12/19,447.49
  6. Step 6: Final answer
    x = 14,372.83

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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.