Home / 12,132.24-18,192.58-4,233.79

Finding the Fourth Proportional to 12,132.24, 18,192.58 and 4,233.79

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Solution

The fourth proportional to 12,132.24, 18,192.58 and 4,233.79 is: 6,348.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.24 : 18,192.58 = 4,233.79 : x
  2. Step 2: Convert to fraction form
    12,132.24/18,192.58 = 4,233.79/x
  3. Step 3: Cross multiply
    12,132.24x = 18,192.58 × 4,233.79
  4. Step 4: Simplify right side
    12,132.24x = 77,023,563.28
  5. Step 5: Solve for x
    x = 77,023,563.28/12,132.24
  6. Step 6: Final answer
    x = 6,348.67

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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.