Home / 9,919.36-14,879.04-4,371.52

Finding the Fourth Proportional to 9,919.36, 14,879.04 and 4,371.52

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Solution

The fourth proportional to 9,919.36, 14,879.04 and 4,371.52 is: 6,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.36 : 14,879.04 = 4,371.52 : x
  2. Step 2: Convert to fraction form
    9,919.36/14,879.04 = 4,371.52/x
  3. Step 3: Cross multiply
    9,919.36x = 14,879.04 × 4,371.52
  4. Step 4: Simplify right side
    9,919.36x = 65,044,020.94
  5. Step 5: Solve for x
    x = 65,044,020.94/9,919.36
  6. Step 6: Final answer
    x = 6,557.28

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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.