Home / 22,222.19-33,330.84-8,900.78

Finding the Fourth Proportional to 22,222.19, 33,330.84 and 8,900.78

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Solution

The fourth proportional to 22,222.19, 33,330.84 and 8,900.78 is: 13,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222.19 : 33,330.84 = 8,900.78 : x
  2. Step 2: Convert to fraction form
    22,222.19/33,330.84 = 8,900.78/x
  3. Step 3: Cross multiply
    22,222.19x = 33,330.84 × 8,900.78
  4. Step 4: Simplify right side
    22,222.19x = 296,670,307.40
  5. Step 5: Solve for x
    x = 296,670,307.40/22,222.19
  6. Step 6: Final answer
    x = 13,350.19

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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.