Home / 22,612.09-33,918.12-7,821.12

Finding the Fourth Proportional to 22,612.09, 33,918.12 and 7,821.12

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Solution

The fourth proportional to 22,612.09, 33,918.12 and 7,821.12 is: 11,731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,612.09 : 33,918.12 = 7,821.12 : x
  2. Step 2: Convert to fraction form
    22,612.09/33,918.12 = 7,821.12/x
  3. Step 3: Cross multiply
    22,612.09x = 33,918.12 × 7,821.12
  4. Step 4: Simplify right side
    22,612.09x = 265,277,647.59
  5. Step 5: Solve for x
    x = 265,277,647.59/22,612.09
  6. Step 6: Final answer
    x = 11,731.67

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Similar ratio
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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.