Home / 21,733.22-29,990.37-12,301.22

Finding the Fourth Proportional to 21,733.22, 29,990.37 and 12,301.22

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Solution

The fourth proportional to 21,733.22, 29,990.37 and 12,301.22 is: 16,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,733.22 : 29,990.37 = 12,301.22 : x
  2. Step 2: Convert to fraction form
    21,733.22/29,990.37 = 12,301.22/x
  3. Step 3: Cross multiply
    21,733.22x = 29,990.37 × 12,301.22
  4. Step 4: Simplify right side
    21,733.22x = 368,918,139.25
  5. Step 5: Solve for x
    x = 368,918,139.25/21,733.22
  6. Step 6: Final answer
    x = 16,974.85

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1.5x scale

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.