Home / 21,230.04-31,796.50-10,144.52

Finding the Fourth Proportional to 21,230.04, 31,796.50 and 10,144.52

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Solution

The fourth proportional to 21,230.04, 31,796.50 and 10,144.52 is: 15,193.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,230.04 : 31,796.50 = 10,144.52 : x
  2. Step 2: Convert to fraction form
    21,230.04/31,796.50 = 10,144.52/x
  3. Step 3: Cross multiply
    21,230.04x = 31,796.50 × 10,144.52
  4. Step 4: Simplify right side
    21,230.04x = 322,560,230.18
  5. Step 5: Solve for x
    x = 322,560,230.18/21,230.04
  6. Step 6: Final answer
    x = 15,193.58

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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.