Home / 15,067.88-20,792.74-8,853.78

Finding the Fourth Proportional to 15,067.88, 20,792.74 and 8,853.78

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Solution

The fourth proportional to 15,067.88, 20,792.74 and 8,853.78 is: 12,217.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067.88 : 20,792.74 = 8,853.78 : x
  2. Step 2: Convert to fraction form
    15,067.88/20,792.74 = 8,853.78/x
  3. Step 3: Cross multiply
    15,067.88x = 20,792.74 × 8,853.78
  4. Step 4: Simplify right side
    15,067.88x = 184,094,345.56
  5. Step 5: Solve for x
    x = 184,094,345.56/15,067.88
  6. Step 6: Final answer
    x = 12,217.67

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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.