Home / 15,923.96-21,974.08-8,850.16

Finding the Fourth Proportional to 15,923.96, 21,974.08 and 8,850.16

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Solution

The fourth proportional to 15,923.96, 21,974.08 and 8,850.16 is: 12,212.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.96 : 21,974.08 = 8,850.16 : x
  2. Step 2: Convert to fraction form
    15,923.96/21,974.08 = 8,850.16/x
  3. Step 3: Cross multiply
    15,923.96x = 21,974.08 × 8,850.16
  4. Step 4: Simplify right side
    15,923.96x = 194,474,123.85
  5. Step 5: Solve for x
    x = 194,474,123.85/15,923.96
  6. Step 6: Final answer
    x = 12,212.67

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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.