Home / 9,923.13-14,879.79-4,919.72

Finding the Fourth Proportional to 9,923.13, 14,879.79 and 4,919.72

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Solution

The fourth proportional to 9,923.13, 14,879.79 and 4,919.72 is: 7,377.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,923.13 : 14,879.79 = 4,919.72 : x
  2. Step 2: Convert to fraction form
    9,923.13/14,879.79 = 4,919.72/x
  3. Step 3: Cross multiply
    9,923.13x = 14,879.79 × 4,919.72
  4. Step 4: Simplify right side
    9,923.13x = 73,204,326.06
  5. Step 5: Solve for x
    x = 73,204,326.06/9,923.13
  6. Step 6: Final answer
    x = 7,377.14

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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.