Home / 19,964.10-29,896.94-12,550.17

Finding the Fourth Proportional to 19,964.10, 29,896.94 and 12,550.17

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Solution

The fourth proportional to 19,964.10, 29,896.94 and 12,550.17 is: 18,794.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.10 : 29,896.94 = 12,550.17 : x
  2. Step 2: Convert to fraction form
    19,964.10/29,896.94 = 12,550.17/x
  3. Step 3: Cross multiply
    19,964.10x = 29,896.94 × 12,550.17
  4. Step 4: Simplify right side
    19,964.10x = 375,211,822.97
  5. Step 5: Solve for x
    x = 375,211,822.97/19,964.10
  6. Step 6: Final answer
    x = 18,794.32

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1.5x scale

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.