Home / 14,796.08-20,418.64-8,081.78

Finding the Fourth Proportional to 14,796.08, 20,418.64 and 8,081.78

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Solution

The fourth proportional to 14,796.08, 20,418.64 and 8,081.78 is: 11,152.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,796.08 : 20,418.64 = 8,081.78 : x
  2. Step 2: Convert to fraction form
    14,796.08/20,418.64 = 8,081.78/x
  3. Step 3: Cross multiply
    14,796.08x = 20,418.64 × 8,081.78
  4. Step 4: Simplify right side
    14,796.08x = 165,018,956.38
  5. Step 5: Solve for x
    x = 165,018,956.38/14,796.08
  6. Step 6: Final answer
    x = 11,152.88

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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.