Home / 9,928.65-14,896.84-4,378.06

Finding the Fourth Proportional to 9,928.65, 14,896.84 and 4,378.06

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Solution

The fourth proportional to 9,928.65, 14,896.84 and 4,378.06 is: 6,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.65 : 14,896.84 = 4,378.06 : x
  2. Step 2: Convert to fraction form
    9,928.65/14,896.84 = 4,378.06/x
  3. Step 3: Cross multiply
    9,928.65x = 14,896.84 × 4,378.06
  4. Step 4: Simplify right side
    9,928.65x = 65,219,259.33
  5. Step 5: Solve for x
    x = 65,219,259.33/9,928.65
  6. Step 6: Final answer
    x = 6,568.79

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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.