Home / 22,218.89-33,333.57-6,636.11

Finding the Fourth Proportional to 22,218.89, 33,333.57 and 6,636.11

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Solution

The fourth proportional to 22,218.89, 33,333.57 and 6,636.11 is: 9,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218.89 : 33,333.57 = 6,636.11 : x
  2. Step 2: Convert to fraction form
    22,218.89/33,333.57 = 6,636.11/x
  3. Step 3: Cross multiply
    22,218.89x = 33,333.57 × 6,636.11
  4. Step 4: Simplify right side
    22,218.89x = 221,205,070.54
  5. Step 5: Solve for x
    x = 221,205,070.54/22,218.89
  6. Step 6: Final answer
    x = 9,955.72

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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.