Home / 15,067.38-20,792.05-8,853.28

Finding the Fourth Proportional to 15,067.38, 20,792.05 and 8,853.28

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Solution

The fourth proportional to 15,067.38, 20,792.05 and 8,853.28 is: 12,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067.38 : 20,792.05 = 8,853.28 : x
  2. Step 2: Convert to fraction form
    15,067.38/20,792.05 = 8,853.28/x
  3. Step 3: Cross multiply
    15,067.38x = 20,792.05 × 8,853.28
  4. Step 4: Simplify right side
    15,067.38x = 184,077,840.42
  5. Step 5: Solve for x
    x = 184,077,840.42/15,067.38
  6. Step 6: Final answer
    x = 12,216.98

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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.