Home / 9,947.95-14,921.96-3,285.09

Finding the Fourth Proportional to 9,947.95, 14,921.96 and 3,285.09

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Solution

The fourth proportional to 9,947.95, 14,921.96 and 3,285.09 is: 4,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.95 : 14,921.96 = 3,285.09 : x
  2. Step 2: Convert to fraction form
    9,947.95/14,921.96 = 3,285.09/x
  3. Step 3: Cross multiply
    9,947.95x = 14,921.96 × 3,285.09
  4. Step 4: Simplify right side
    9,947.95x = 49,019,965.15
  5. Step 5: Solve for x
    x = 49,019,965.15/9,947.95
  6. Step 6: Final answer
    x = 4,927.65

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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.