Home / 13,166.28-19,749.42-3,806.82

Finding the Fourth Proportional to 13,166.28, 19,749.42 and 3,806.82

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Solution

The fourth proportional to 13,166.28, 19,749.42 and 3,806.82 is: 5,710.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.28 : 19,749.42 = 3,806.82 : x
  2. Step 2: Convert to fraction form
    13,166.28/19,749.42 = 3,806.82/x
  3. Step 3: Cross multiply
    13,166.28x = 19,749.42 × 3,806.82
  4. Step 4: Simplify right side
    13,166.28x = 75,182,487.04
  5. Step 5: Solve for x
    x = 75,182,487.04/13,166.28
  6. Step 6: Final answer
    x = 5,710.23

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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.