Home / 17,368.78-26,053.22-4,221.13

Finding the Fourth Proportional to 17,368.78, 26,053.22 and 4,221.13

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Solution

The fourth proportional to 17,368.78, 26,053.22 and 4,221.13 is: 6,331.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,368.78 : 26,053.22 = 4,221.13 : x
  2. Step 2: Convert to fraction form
    17,368.78/26,053.22 = 4,221.13/x
  3. Step 3: Cross multiply
    17,368.78x = 26,053.22 × 4,221.13
  4. Step 4: Simplify right side
    17,368.78x = 109,974,028.54
  5. Step 5: Solve for x
    x = 109,974,028.54/17,368.78
  6. Step 6: Final answer
    x = 6,331.71

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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.