Home / 9,949.55-14,919.19-2,928.65

Finding the Fourth Proportional to 9,949.55, 14,919.19 and 2,928.65

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Solution

The fourth proportional to 9,949.55, 14,919.19 and 2,928.65 is: 4,391.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949.55 : 14,919.19 = 2,928.65 : x
  2. Step 2: Convert to fraction form
    9,949.55/14,919.19 = 2,928.65/x
  3. Step 3: Cross multiply
    9,949.55x = 14,919.19 × 2,928.65
  4. Step 4: Simplify right side
    9,949.55x = 43,693,071.15
  5. Step 5: Solve for x
    x = 43,693,071.15/9,949.55
  6. Step 6: Final answer
    x = 4,391.46

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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.