Home / 21,552.63-32,330.16-6,761.22

Finding the Fourth Proportional to 21,552.63, 32,330.16 and 6,761.22

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Solution

The fourth proportional to 21,552.63, 32,330.16 and 6,761.22 is: 10,142.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552.63 : 32,330.16 = 6,761.22 : x
  2. Step 2: Convert to fraction form
    21,552.63/32,330.16 = 6,761.22/x
  3. Step 3: Cross multiply
    21,552.63x = 32,330.16 × 6,761.22
  4. Step 4: Simplify right side
    21,552.63x = 218,591,324.40
  5. Step 5: Solve for x
    x = 218,591,324.40/21,552.63
  6. Step 6: Final answer
    x = 10,142.21

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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.