Home / 9,950-14,919.23-5,272.25

Finding the Fourth Proportional to 9,950, 14,919.23 and 5,272.25

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Solution

The fourth proportional to 9,950, 14,919.23 and 5,272.25 is: 7,905.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,950 : 14,919.23 = 5,272.25 : x
  2. Step 2: Convert to fraction form
    9,950/14,919.23 = 5,272.25/x
  3. Step 3: Cross multiply
    9,950x = 14,919.23 × 5,272.25
  4. Step 4: Simplify right side
    9,950x = 78,657,910.37
  5. Step 5: Solve for x
    x = 78,657,910.37/9,950
  6. Step 6: Final answer
    x = 7,905.32

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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.