Home / 14,156.24-21,234.12-4,922

Finding the Fourth Proportional to 14,156.24, 21,234.12 and 4,922

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Solution

The fourth proportional to 14,156.24, 21,234.12 and 4,922 is: 7,382.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.24 : 21,234.12 = 4,922 : x
  2. Step 2: Convert to fraction form
    14,156.24/21,234.12 = 4,922/x
  3. Step 3: Cross multiply
    14,156.24x = 21,234.12 × 4,922
  4. Step 4: Simplify right side
    14,156.24x = 104,514,338.64
  5. Step 5: Solve for x
    x = 104,514,338.64/14,156.24
  6. Step 6: Final answer
    x = 7,382.92

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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.