Home / 11,021.13-15,211.86-6,773.22

Finding the Fourth Proportional to 11,021.13, 15,211.86 and 6,773.22

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Solution

The fourth proportional to 11,021.13, 15,211.86 and 6,773.22 is: 9,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.13 : 15,211.86 = 6,773.22 : x
  2. Step 2: Convert to fraction form
    11,021.13/15,211.86 = 6,773.22/x
  3. Step 3: Cross multiply
    11,021.13x = 15,211.86 × 6,773.22
  4. Step 4: Simplify right side
    11,021.13x = 103,033,274.39
  5. Step 5: Solve for x
    x = 103,033,274.39/11,021.13
  6. Step 6: Final answer
    x = 9,348.70

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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.