Home / 21,397.20-32,097.34-6,604.20

Finding the Fourth Proportional to 21,397.20, 32,097.34 and 6,604.20

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Solution

The fourth proportional to 21,397.20, 32,097.34 and 6,604.20 is: 9,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397.20 : 32,097.34 = 6,604.20 : x
  2. Step 2: Convert to fraction form
    21,397.20/32,097.34 = 6,604.20/x
  3. Step 3: Cross multiply
    21,397.20x = 32,097.34 × 6,604.20
  4. Step 4: Simplify right side
    21,397.20x = 211,977,252.83
  5. Step 5: Solve for x
    x = 211,977,252.83/21,397.20
  6. Step 6: Final answer
    x = 9,906.78

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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.