Home / 11,420.29-17,132.69-4,029.94

Finding the Fourth Proportional to 11,420.29, 17,132.69 and 4,029.94

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Solution

The fourth proportional to 11,420.29, 17,132.69 and 4,029.94 is: 6,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,420.29 : 17,132.69 = 4,029.94 : x
  2. Step 2: Convert to fraction form
    11,420.29/17,132.69 = 4,029.94/x
  3. Step 3: Cross multiply
    11,420.29x = 17,132.69 × 4,029.94
  4. Step 4: Simplify right side
    11,420.29x = 69,043,712.74
  5. Step 5: Solve for x
    x = 69,043,712.74/11,420.29
  6. Step 6: Final answer
    x = 6,045.71

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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.