Home / 11,166.87-15,412.26-8,348.37

Finding the Fourth Proportional to 11,166.87, 15,412.26 and 8,348.37

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Solution

The fourth proportional to 11,166.87, 15,412.26 and 8,348.37 is: 11,522.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.87 : 15,412.26 = 8,348.37 : x
  2. Step 2: Convert to fraction form
    11,166.87/15,412.26 = 8,348.37/x
  3. Step 3: Cross multiply
    11,166.87x = 15,412.26 × 8,348.37
  4. Step 4: Simplify right side
    11,166.87x = 128,667,249.02
  5. Step 5: Solve for x
    x = 128,667,249.02/11,166.87
  6. Step 6: Final answer
    x = 11,522.23

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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.