Home / 22,218.44-33,311.93-11,117.16

Finding the Fourth Proportional to 22,218.44, 33,311.93 and 11,117.16

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Solution

The fourth proportional to 22,218.44, 33,311.93 and 11,117.16 is: 16,667.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218.44 : 33,311.93 = 11,117.16 : x
  2. Step 2: Convert to fraction form
    22,218.44/33,311.93 = 11,117.16/x
  3. Step 3: Cross multiply
    22,218.44x = 33,311.93 × 11,117.16
  4. Step 4: Simplify right side
    22,218.44x = 370,334,000.13
  5. Step 5: Solve for x
    x = 370,334,000.13/22,218.44
  6. Step 6: Final answer
    x = 16,667.87

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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.