Home / 13,090.68-19,635.66-3,229.92

Finding the Fourth Proportional to 13,090.68, 19,635.66 and 3,229.92

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Solution

The fourth proportional to 13,090.68, 19,635.66 and 3,229.92 is: 4,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.68 : 19,635.66 = 3,229.92 : x
  2. Step 2: Convert to fraction form
    13,090.68/19,635.66 = 3,229.92/x
  3. Step 3: Cross multiply
    13,090.68x = 19,635.66 × 3,229.92
  4. Step 4: Simplify right side
    13,090.68x = 63,421,610.95
  5. Step 5: Solve for x
    x = 63,421,610.95/13,090.68
  6. Step 6: Final answer
    x = 4,844.79

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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.