Home / 19,964.08-29,896.90-12,550.15

Finding the Fourth Proportional to 19,964.08, 29,896.90 and 12,550.15

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Solution

The fourth proportional to 19,964.08, 29,896.90 and 12,550.15 is: 18,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.08 : 29,896.90 = 12,550.15 : x
  2. Step 2: Convert to fraction form
    19,964.08/29,896.90 = 12,550.15/x
  3. Step 3: Cross multiply
    19,964.08x = 29,896.90 × 12,550.15
  4. Step 4: Simplify right side
    19,964.08x = 375,210,579.54
  5. Step 5: Solve for x
    x = 375,210,579.54/19,964.08
  6. Step 6: Final answer
    x = 18,794.28

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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.