Home / 21,601.32-32,401.05-6,820.84

Finding the Fourth Proportional to 21,601.32, 32,401.05 and 6,820.84

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Solution

The fourth proportional to 21,601.32, 32,401.05 and 6,820.84 is: 10,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.32 : 32,401.05 = 6,820.84 : x
  2. Step 2: Convert to fraction form
    21,601.32/32,401.05 = 6,820.84/x
  3. Step 3: Cross multiply
    21,601.32x = 32,401.05 × 6,820.84
  4. Step 4: Simplify right side
    21,601.32x = 221,002,377.88
  5. Step 5: Solve for x
    x = 221,002,377.88/21,601.32
  6. Step 6: Final answer
    x = 10,230.97

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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.