Home / 13,122.26-19,677.68-3,760.21

Finding the Fourth Proportional to 13,122.26, 19,677.68 and 3,760.21

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Solution

The fourth proportional to 13,122.26, 19,677.68 and 3,760.21 is: 5,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122.26 : 19,677.68 = 3,760.21 : x
  2. Step 2: Convert to fraction form
    13,122.26/19,677.68 = 3,760.21/x
  3. Step 3: Cross multiply
    13,122.26x = 19,677.68 × 3,760.21
  4. Step 4: Simplify right side
    13,122.26x = 73,992,209.11
  5. Step 5: Solve for x
    x = 73,992,209.11/13,122.26
  6. Step 6: Final answer
    x = 5,638.68

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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.