Home / 11,114.27-15,343.27-8,590.68

Finding the Fourth Proportional to 11,114.27, 15,343.27 and 8,590.68

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Solution

The fourth proportional to 11,114.27, 15,343.27 and 8,590.68 is: 11,859.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.27 : 15,343.27 = 8,590.68 : x
  2. Step 2: Convert to fraction form
    11,114.27/15,343.27 = 8,590.68/x
  3. Step 3: Cross multiply
    11,114.27x = 15,343.27 × 8,590.68
  4. Step 4: Simplify right side
    11,114.27x = 131,809,101.25
  5. Step 5: Solve for x
    x = 131,809,101.25/11,114.27
  6. Step 6: Final answer
    x = 11,859.44

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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.