Home / 19,944.80-29,917.20-11,634.20

Finding the Fourth Proportional to 19,944.80, 29,917.20 and 11,634.20

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Solution

The fourth proportional to 19,944.80, 29,917.20 and 11,634.20 is: 17,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944.80 : 29,917.20 = 11,634.20 : x
  2. Step 2: Convert to fraction form
    19,944.80/29,917.20 = 11,634.20/x
  3. Step 3: Cross multiply
    19,944.80x = 29,917.20 × 11,634.20
  4. Step 4: Simplify right side
    19,944.80x = 348,062,688.24
  5. Step 5: Solve for x
    x = 348,062,688.24/19,944.80
  6. Step 6: Final answer
    x = 17,451.30

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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.