Home / 19,302.21-28,896.98-11,884.41

Finding the Fourth Proportional to 19,302.21, 28,896.98 and 11,884.41

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Solution

The fourth proportional to 19,302.21, 28,896.98 and 11,884.41 is: 17,791.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.21 : 28,896.98 = 11,884.41 : x
  2. Step 2: Convert to fraction form
    19,302.21/28,896.98 = 11,884.41/x
  3. Step 3: Cross multiply
    19,302.21x = 28,896.98 × 11,884.41
  4. Step 4: Simplify right side
    19,302.21x = 343,423,498.66
  5. Step 5: Solve for x
    x = 343,423,498.66/19,302.21
  6. Step 6: Final answer
    x = 17,791.93

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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.