Home / 11,421.03-17,133.57-4,029.78

Finding the Fourth Proportional to 11,421.03, 17,133.57 and 4,029.78

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Solution

The fourth proportional to 11,421.03, 17,133.57 and 4,029.78 is: 6,045.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.03 : 17,133.57 = 4,029.78 : x
  2. Step 2: Convert to fraction form
    11,421.03/17,133.57 = 4,029.78/x
  3. Step 3: Cross multiply
    11,421.03x = 17,133.57 × 4,029.78
  4. Step 4: Simplify right side
    11,421.03x = 69,044,517.71
  5. Step 5: Solve for x
    x = 69,044,517.71/11,421.03
  6. Step 6: Final answer
    x = 6,045.38

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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.