Home / 14,122.30-19,486.57-8,152.82

Finding the Fourth Proportional to 14,122.30, 19,486.57 and 8,152.82

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Solution

The fourth proportional to 14,122.30, 19,486.57 and 8,152.82 is: 11,249.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.30 : 19,486.57 = 8,152.82 : x
  2. Step 2: Convert to fraction form
    14,122.30/19,486.57 = 8,152.82/x
  3. Step 3: Cross multiply
    14,122.30x = 19,486.57 × 8,152.82
  4. Step 4: Simplify right side
    14,122.30x = 158,870,400.19
  5. Step 5: Solve for x
    x = 158,870,400.19/14,122.30
  6. Step 6: Final answer
    x = 11,249.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.