Home / 21,734.40-32,601.84-6,943.20

Finding the Fourth Proportional to 21,734.40, 32,601.84 and 6,943.20

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Solution

The fourth proportional to 21,734.40, 32,601.84 and 6,943.20 is: 10,414.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,734.40 : 32,601.84 = 6,943.20 : x
  2. Step 2: Convert to fraction form
    21,734.40/32,601.84 = 6,943.20/x
  3. Step 3: Cross multiply
    21,734.40x = 32,601.84 × 6,943.20
  4. Step 4: Simplify right side
    21,734.40x = 226,361,095.49
  5. Step 5: Solve for x
    x = 226,361,095.49/21,734.40
  6. Step 6: Final answer
    x = 10,414.88

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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.