Home / 21,063.63-29,067.95-11,503.27

Finding the Fourth Proportional to 21,063.63, 29,067.95 and 11,503.27

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Solution

The fourth proportional to 21,063.63, 29,067.95 and 11,503.27 is: 15,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063.63 : 29,067.95 = 11,503.27 : x
  2. Step 2: Convert to fraction form
    21,063.63/29,067.95 = 11,503.27/x
  3. Step 3: Cross multiply
    21,063.63x = 29,067.95 × 11,503.27
  4. Step 4: Simplify right side
    21,063.63x = 334,376,477.20
  5. Step 5: Solve for x
    x = 334,376,477.20/21,063.63
  6. Step 6: Final answer
    x = 15,874.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.