Home / 21,997.59-33,001.52-7,205.61

Finding the Fourth Proportional to 21,997.59, 33,001.52 and 7,205.61

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Solution

The fourth proportional to 21,997.59, 33,001.52 and 7,205.61 is: 10,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,997.59 : 33,001.52 = 7,205.61 : x
  2. Step 2: Convert to fraction form
    21,997.59/33,001.52 = 7,205.61/x
  3. Step 3: Cross multiply
    21,997.59x = 33,001.52 × 7,205.61
  4. Step 4: Simplify right side
    21,997.59x = 237,796,046.50
  5. Step 5: Solve for x
    x = 237,796,046.50/21,997.59
  6. Step 6: Final answer
    x = 10,810.10

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1.5x scale

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.