Home / 11,279.24-16,886.46-8,492.84

Finding the Fourth Proportional to 11,279.24, 16,886.46 and 8,492.84

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Solution

The fourth proportional to 11,279.24, 16,886.46 and 8,492.84 is: 12,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.24 : 16,886.46 = 8,492.84 : x
  2. Step 2: Convert to fraction form
    11,279.24/16,886.46 = 8,492.84/x
  3. Step 3: Cross multiply
    11,279.24x = 16,886.46 × 8,492.84
  4. Step 4: Simplify right side
    11,279.24x = 143,414,002.95
  5. Step 5: Solve for x
    x = 143,414,002.95/11,279.24
  6. Step 6: Final answer
    x = 12,714.86

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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.