Home / 13,282.28-19,926.77-3,921.92

Finding the Fourth Proportional to 13,282.28, 19,926.77 and 3,921.92

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Solution

The fourth proportional to 13,282.28, 19,926.77 and 3,921.92 is: 5,883.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.28 : 19,926.77 = 3,921.92 : x
  2. Step 2: Convert to fraction form
    13,282.28/19,926.77 = 3,921.92/x
  3. Step 3: Cross multiply
    13,282.28x = 19,926.77 × 3,921.92
  4. Step 4: Simplify right side
    13,282.28x = 78,151,078.55
  5. Step 5: Solve for x
    x = 78,151,078.55/13,282.28
  6. Step 6: Final answer
    x = 5,883.86

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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.