Home / 9,939.83-14,907.94-5,787.97

Finding the Fourth Proportional to 9,939.83, 14,907.94 and 5,787.97

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Solution

The fourth proportional to 9,939.83, 14,907.94 and 5,787.97 is: 8,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.83 : 14,907.94 = 5,787.97 : x
  2. Step 2: Convert to fraction form
    9,939.83/14,907.94 = 5,787.97/x
  3. Step 3: Cross multiply
    9,939.83x = 14,907.94 × 5,787.97
  4. Step 4: Simplify right side
    9,939.83x = 86,286,657.74
  5. Step 5: Solve for x
    x = 86,286,657.74/9,939.83
  6. Step 6: Final answer
    x = 8,680.90

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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.