Home / 19,899.96-27,463.71-11,404.79

Finding the Fourth Proportional to 19,899.96, 27,463.71 and 11,404.79

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Solution

The fourth proportional to 19,899.96, 27,463.71 and 11,404.79 is: 15,739.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.96 : 27,463.71 = 11,404.79 : x
  2. Step 2: Convert to fraction form
    19,899.96/27,463.71 = 11,404.79/x
  3. Step 3: Cross multiply
    19,899.96x = 27,463.71 × 11,404.79
  4. Step 4: Simplify right side
    19,899.96x = 313,217,707.85
  5. Step 5: Solve for x
    x = 313,217,707.85/19,899.96
  6. Step 6: Final answer
    x = 15,739.61

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1.5x scale

Why These Related Problems?

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