Home / 19,001.33-26,221.85-11,447.97

Finding the Fourth Proportional to 19,001.33, 26,221.85 and 11,447.97

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Solution

The fourth proportional to 19,001.33, 26,221.85 and 11,447.97 is: 15,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.33 : 26,221.85 = 11,447.97 : x
  2. Step 2: Convert to fraction form
    19,001.33/26,221.85 = 11,447.97/x
  3. Step 3: Cross multiply
    19,001.33x = 26,221.85 × 11,447.97
  4. Step 4: Simplify right side
    19,001.33x = 300,186,894.90
  5. Step 5: Solve for x
    x = 300,186,894.90/19,001.33
  6. Step 6: Final answer
    x = 15,798.21

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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.