Home / 21,608.88-32,414.84-6,818.48

Finding the Fourth Proportional to 21,608.88, 32,414.84 and 6,818.48

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Solution

The fourth proportional to 21,608.88, 32,414.84 and 6,818.48 is: 10,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608.88 : 32,414.84 = 6,818.48 : x
  2. Step 2: Convert to fraction form
    21,608.88/32,414.84 = 6,818.48/x
  3. Step 3: Cross multiply
    21,608.88x = 32,414.84 × 6,818.48
  4. Step 4: Simplify right side
    21,608.88x = 221,019,938.24
  5. Step 5: Solve for x
    x = 221,019,938.24/21,608.88
  6. Step 6: Final answer
    x = 10,228.20

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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.