Home / 19,921.96-29,887.62-11,162.92

Finding the Fourth Proportional to 19,921.96, 29,887.62 and 11,162.92

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Solution

The fourth proportional to 19,921.96, 29,887.62 and 11,162.92 is: 16,747.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,921.96 : 29,887.62 = 11,162.92 : x
  2. Step 2: Convert to fraction form
    19,921.96/29,887.62 = 11,162.92/x
  3. Step 3: Cross multiply
    19,921.96x = 29,887.62 × 11,162.92
  4. Step 4: Simplify right side
    19,921.96x = 333,633,111.05
  5. Step 5: Solve for x
    x = 333,633,111.05/19,921.96
  6. Step 6: Final answer
    x = 16,747.00

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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.