Home / 9,938.97-14,907.98-2,918.70

Finding the Fourth Proportional to 9,938.97, 14,907.98 and 2,918.70

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Solution

The fourth proportional to 9,938.97, 14,907.98 and 2,918.70 is: 4,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.97 : 14,907.98 = 2,918.70 : x
  2. Step 2: Convert to fraction form
    9,938.97/14,907.98 = 2,918.70/x
  3. Step 3: Cross multiply
    9,938.97x = 14,907.98 × 2,918.70
  4. Step 4: Simplify right side
    9,938.97x = 43,511,928.52
  5. Step 5: Solve for x
    x = 43,511,928.52/9,938.97
  6. Step 6: Final answer
    x = 4,377.91

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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.