Home / 21,396.48-32,097.76-6,606.56

Finding the Fourth Proportional to 21,396.48, 32,097.76 and 6,606.56

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Solution

The fourth proportional to 21,396.48, 32,097.76 and 6,606.56 is: 9,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,396.48 : 32,097.76 = 6,606.56 : x
  2. Step 2: Convert to fraction form
    21,396.48/32,097.76 = 6,606.56/x
  3. Step 3: Cross multiply
    21,396.48x = 32,097.76 × 6,606.56
  4. Step 4: Simplify right side
    21,396.48x = 212,055,777.31
  5. Step 5: Solve for x
    x = 212,055,777.31/21,396.48
  6. Step 6: Final answer
    x = 9,910.78

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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.