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Finding the Fourth Proportional to 15,604.62, 21,536.73 and 9,941.82

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Solution

The fourth proportional to 15,604.62, 21,536.73 and 9,941.82 is: 13,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.62 : 21,536.73 = 9,941.82 : x
  2. Step 2: Convert to fraction form
    15,604.62/21,536.73 = 9,941.82/x
  3. Step 3: Cross multiply
    15,604.62x = 21,536.73 × 9,941.82
  4. Step 4: Simplify right side
    15,604.62x = 214,114,293.05
  5. Step 5: Solve for x
    x = 214,114,293.05/15,604.62
  6. Step 6: Final answer
    x = 13,721.21

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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.