Home / 9,765.70-14,647.05-3,191.92

Finding the Fourth Proportional to 9,765.70, 14,647.05 and 3,191.92

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Solution

The fourth proportional to 9,765.70, 14,647.05 and 3,191.92 is: 4,787.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,765.70 : 14,647.05 = 3,191.92 : x
  2. Step 2: Convert to fraction form
    9,765.70/14,647.05 = 3,191.92/x
  3. Step 3: Cross multiply
    9,765.70x = 14,647.05 × 3,191.92
  4. Step 4: Simplify right side
    9,765.70x = 46,752,211.84
  5. Step 5: Solve for x
    x = 46,752,211.84/9,765.70
  6. Step 6: Final answer
    x = 4,787.39

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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.