Home / 21,697.76-32,546.30-6,906.51

Finding the Fourth Proportional to 21,697.76, 32,546.30 and 6,906.51

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Solution

The fourth proportional to 21,697.76, 32,546.30 and 6,906.51 is: 10,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,697.76 : 32,546.30 = 6,906.51 : x
  2. Step 2: Convert to fraction form
    21,697.76/32,546.30 = 6,906.51/x
  3. Step 3: Cross multiply
    21,697.76x = 32,546.30 × 6,906.51
  4. Step 4: Simplify right side
    21,697.76x = 224,781,311.88
  5. Step 5: Solve for x
    x = 224,781,311.88/21,697.76
  6. Step 6: Final answer
    x = 10,359.65

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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.