Home / 21,260.46-29,337.57-11,829.54

Finding the Fourth Proportional to 21,260.46, 29,337.57 and 11,829.54

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Solution

The fourth proportional to 21,260.46, 29,337.57 and 11,829.54 is: 16,323.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,260.46 : 29,337.57 = 11,829.54 : x
  2. Step 2: Convert to fraction form
    21,260.46/29,337.57 = 11,829.54/x
  3. Step 3: Cross multiply
    21,260.46x = 29,337.57 × 11,829.54
  4. Step 4: Simplify right side
    21,260.46x = 347,049,957.82
  5. Step 5: Solve for x
    x = 347,049,957.82/21,260.46
  6. Step 6: Final answer
    x = 16,323.73

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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.