Home / 14,816.83-20,446.39-8,101.21

Finding the Fourth Proportional to 14,816.83, 20,446.39 and 8,101.21

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Solution

The fourth proportional to 14,816.83, 20,446.39 and 8,101.21 is: 11,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,816.83 : 20,446.39 = 8,101.21 : x
  2. Step 2: Convert to fraction form
    14,816.83/20,446.39 = 8,101.21/x
  3. Step 3: Cross multiply
    14,816.83x = 20,446.39 × 8,101.21
  4. Step 4: Simplify right side
    14,816.83x = 165,640,499.13
  5. Step 5: Solve for x
    x = 165,640,499.13/14,816.83
  6. Step 6: Final answer
    x = 11,179.21

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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.