Home / 21,940.77-32,906.07-6,146.91

Finding the Fourth Proportional to 21,940.77, 32,906.07 and 6,146.91

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Solution

The fourth proportional to 21,940.77, 32,906.07 and 6,146.91 is: 9,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,940.77 : 32,906.07 = 6,146.91 : x
  2. Step 2: Convert to fraction form
    21,940.77/32,906.07 = 6,146.91/x
  3. Step 3: Cross multiply
    21,940.77x = 32,906.07 × 6,146.91
  4. Step 4: Simplify right side
    21,940.77x = 202,270,650.74
  5. Step 5: Solve for x
    x = 202,270,650.74/21,940.77
  6. Step 6: Final answer
    x = 9,218.94

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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.