Home / 22,192.92-30,621.18-13,238.67

Finding the Fourth Proportional to 22,192.92, 30,621.18 and 13,238.67

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Solution

The fourth proportional to 22,192.92, 30,621.18 and 13,238.67 is: 18,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,192.92 : 30,621.18 = 13,238.67 : x
  2. Step 2: Convert to fraction form
    22,192.92/30,621.18 = 13,238.67/x
  3. Step 3: Cross multiply
    22,192.92x = 30,621.18 × 13,238.67
  4. Step 4: Simplify right side
    22,192.92x = 405,383,697.03
  5. Step 5: Solve for x
    x = 405,383,697.03/22,192.92
  6. Step 6: Final answer
    x = 18,266.35

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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.