Home / 13,371.26-18,452.77-7,705.56

Finding the Fourth Proportional to 13,371.26, 18,452.77 and 7,705.56

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Solution

The fourth proportional to 13,371.26, 18,452.77 and 7,705.56 is: 10,633.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.26 : 18,452.77 = 7,705.56 : x
  2. Step 2: Convert to fraction form
    13,371.26/18,452.77 = 7,705.56/x
  3. Step 3: Cross multiply
    13,371.26x = 18,452.77 × 7,705.56
  4. Step 4: Simplify right side
    13,371.26x = 142,188,926.40
  5. Step 5: Solve for x
    x = 142,188,926.40/13,371.26
  6. Step 6: Final answer
    x = 10,633.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.