Home / 21,945.33-32,898.69-11,393.06

Finding the Fourth Proportional to 21,945.33, 32,898.69 and 11,393.06

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Solution

The fourth proportional to 21,945.33, 32,898.69 and 11,393.06 is: 17,079.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,945.33 : 32,898.69 = 11,393.06 : x
  2. Step 2: Convert to fraction form
    21,945.33/32,898.69 = 11,393.06/x
  3. Step 3: Cross multiply
    21,945.33x = 32,898.69 × 11,393.06
  4. Step 4: Simplify right side
    21,945.33x = 374,816,584.60
  5. Step 5: Solve for x
    x = 374,816,584.60/21,945.33
  6. Step 6: Final answer
    x = 17,079.56

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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.