Home / 22,581.48-31,164.75-13,021.73

Finding the Fourth Proportional to 22,581.48, 31,164.75 and 13,021.73

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Solution

The fourth proportional to 22,581.48, 31,164.75 and 13,021.73 is: 17,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,581.48 : 31,164.75 = 13,021.73 : x
  2. Step 2: Convert to fraction form
    22,581.48/31,164.75 = 13,021.73/x
  3. Step 3: Cross multiply
    22,581.48x = 31,164.75 × 13,021.73
  4. Step 4: Simplify right side
    22,581.48x = 405,818,921.06
  5. Step 5: Solve for x
    x = 405,818,921.06/22,581.48
  6. Step 6: Final answer
    x = 17,971.31

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Double scale
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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.