Home / 19,960.73-29,941.22-8,864.40

Finding the Fourth Proportional to 19,960.73, 29,941.22 and 8,864.40

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Solution

The fourth proportional to 19,960.73, 29,941.22 and 8,864.40 is: 13,296.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.73 : 29,941.22 = 8,864.40 : x
  2. Step 2: Convert to fraction form
    19,960.73/29,941.22 = 8,864.40/x
  3. Step 3: Cross multiply
    19,960.73x = 29,941.22 × 8,864.40
  4. Step 4: Simplify right side
    19,960.73x = 265,410,906.25
  5. Step 5: Solve for x
    x = 265,410,906.25/19,960.73
  6. Step 6: Final answer
    x = 13,296.66

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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.