Home / 22,242.24-30,694.79-12,170.67

Finding the Fourth Proportional to 22,242.24, 30,694.79 and 12,170.67

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Solution

The fourth proportional to 22,242.24, 30,694.79 and 12,170.67 is: 16,795.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,242.24 : 30,694.79 = 12,170.67 : x
  2. Step 2: Convert to fraction form
    22,242.24/30,694.79 = 12,170.67/x
  3. Step 3: Cross multiply
    22,242.24x = 30,694.79 × 12,170.67
  4. Step 4: Simplify right side
    22,242.24x = 373,576,098.96
  5. Step 5: Solve for x
    x = 373,576,098.96/22,242.24
  6. Step 6: Final answer
    x = 16,795.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.