Home / 19,787.69-29,684.78-9,395.93

Finding the Fourth Proportional to 19,787.69, 29,684.78 and 9,395.93

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Solution

The fourth proportional to 19,787.69, 29,684.78 and 9,395.93 is: 14,095.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.69 : 29,684.78 = 9,395.93 : x
  2. Step 2: Convert to fraction form
    19,787.69/29,684.78 = 9,395.93/x
  3. Step 3: Cross multiply
    19,787.69x = 29,684.78 × 9,395.93
  4. Step 4: Simplify right side
    19,787.69x = 278,916,067.97
  5. Step 5: Solve for x
    x = 278,916,067.97/19,787.69
  6. Step 6: Final answer
    x = 14,095.43

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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.