Home / 19,933.12-29,906.70-11,175.40

Finding the Fourth Proportional to 19,933.12, 29,906.70 and 11,175.40

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Solution

The fourth proportional to 19,933.12, 29,906.70 and 11,175.40 is: 16,767.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.12 : 29,906.70 = 11,175.40 : x
  2. Step 2: Convert to fraction form
    19,933.12/29,906.70 = 11,175.40/x
  3. Step 3: Cross multiply
    19,933.12x = 29,906.70 × 11,175.40
  4. Step 4: Simplify right side
    19,933.12x = 334,219,335.18
  5. Step 5: Solve for x
    x = 334,219,335.18/19,933.12
  6. Step 6: Final answer
    x = 16,767.04

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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.