Home / 19,412.16-29,044.40-11,998.22

Finding the Fourth Proportional to 19,412.16, 29,044.40 and 11,998.22

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Solution

The fourth proportional to 19,412.16, 29,044.40 and 11,998.22 is: 17,951.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.16 : 29,044.40 = 11,998.22 : x
  2. Step 2: Convert to fraction form
    19,412.16/29,044.40 = 11,998.22/x
  3. Step 3: Cross multiply
    19,412.16x = 29,044.40 × 11,998.22
  4. Step 4: Simplify right side
    19,412.16x = 348,481,100.97
  5. Step 5: Solve for x
    x = 348,481,100.97/19,412.16
  6. Step 6: Final answer
    x = 17,951.69

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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.