Home / 12,200.92-18,300.97-5,176.42

Finding the Fourth Proportional to 12,200.92, 18,300.97 and 5,176.42

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Solution

The fourth proportional to 12,200.92, 18,300.97 and 5,176.42 is: 7,764.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200.92 : 18,300.97 = 5,176.42 : x
  2. Step 2: Convert to fraction form
    12,200.92/18,300.97 = 5,176.42/x
  3. Step 3: Cross multiply
    12,200.92x = 18,300.97 × 5,176.42
  4. Step 4: Simplify right side
    12,200.92x = 94,733,507.13
  5. Step 5: Solve for x
    x = 94,733,507.13/12,200.92
  6. Step 6: Final answer
    x = 7,764.46

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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.