Home / 19,795.47-29,651.88-11,872.86

Finding the Fourth Proportional to 19,795.47, 29,651.88 and 11,872.86

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Solution

The fourth proportional to 19,795.47, 29,651.88 and 11,872.86 is: 17,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,795.47 : 29,651.88 = 11,872.86 : x
  2. Step 2: Convert to fraction form
    19,795.47/29,651.88 = 11,872.86/x
  3. Step 3: Cross multiply
    19,795.47x = 29,651.88 × 11,872.86
  4. Step 4: Simplify right side
    19,795.47x = 352,052,553.31
  5. Step 5: Solve for x
    x = 352,052,553.31/19,795.47
  6. Step 6: Final answer
    x = 17,784.50

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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.