Home / 11,499.23-15,868.37-6,463.67

Finding the Fourth Proportional to 11,499.23, 15,868.37 and 6,463.67

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Solution

The fourth proportional to 11,499.23, 15,868.37 and 6,463.67 is: 8,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,499.23 : 15,868.37 = 6,463.67 : x
  2. Step 2: Convert to fraction form
    11,499.23/15,868.37 = 6,463.67/x
  3. Step 3: Cross multiply
    11,499.23x = 15,868.37 × 6,463.67
  4. Step 4: Simplify right side
    11,499.23x = 102,567,843.94
  5. Step 5: Solve for x
    x = 102,567,843.94/11,499.23
  6. Step 6: Final answer
    x = 8,919.54

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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.