Home / 15,066.18-20,791.36-8,351.92

Finding the Fourth Proportional to 15,066.18, 20,791.36 and 8,351.92

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Solution

The fourth proportional to 15,066.18, 20,791.36 and 8,351.92 is: 11,525.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,066.18 : 20,791.36 = 8,351.92 : x
  2. Step 2: Convert to fraction form
    15,066.18/20,791.36 = 8,351.92/x
  3. Step 3: Cross multiply
    15,066.18x = 20,791.36 × 8,351.92
  4. Step 4: Simplify right side
    15,066.18x = 173,647,775.41
  5. Step 5: Solve for x
    x = 173,647,775.41/15,066.18
  6. Step 6: Final answer
    x = 11,525.67

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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.