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Finding the Fourth Proportional to 15,777.22, 23,649.03 and 11,869.54

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Solution

The fourth proportional to 15,777.22, 23,649.03 and 11,869.54 is: 17,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,777.22 : 23,649.03 = 11,869.54 : x
  2. Step 2: Convert to fraction form
    15,777.22/23,649.03 = 11,869.54/x
  3. Step 3: Cross multiply
    15,777.22x = 23,649.03 × 11,869.54
  4. Step 4: Simplify right side
    15,777.22x = 280,703,107.55
  5. Step 5: Solve for x
    x = 280,703,107.55/15,777.22
  6. Step 6: Final answer
    x = 17,791.67

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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.