Home / 22,213.98-33,312.78-7,418.94

Finding the Fourth Proportional to 22,213.98, 33,312.78 and 7,418.94

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Solution

The fourth proportional to 22,213.98, 33,312.78 and 7,418.94 is: 11,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,213.98 : 33,312.78 = 7,418.94 : x
  2. Step 2: Convert to fraction form
    22,213.98/33,312.78 = 7,418.94/x
  3. Step 3: Cross multiply
    22,213.98x = 33,312.78 × 7,418.94
  4. Step 4: Simplify right side
    22,213.98x = 247,145,516.05
  5. Step 5: Solve for x
    x = 247,145,516.05/22,213.98
  6. Step 6: Final answer
    x = 11,125.67

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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.