Home / 21,537.50-32,305.85-11,739.14

Finding the Fourth Proportional to 21,537.50, 32,305.85 and 11,739.14

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Solution

The fourth proportional to 21,537.50, 32,305.85 and 11,739.14 is: 17,608.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,537.50 : 32,305.85 = 11,739.14 : x
  2. Step 2: Convert to fraction form
    21,537.50/32,305.85 = 11,739.14/x
  3. Step 3: Cross multiply
    21,537.50x = 32,305.85 × 11,739.14
  4. Step 4: Simplify right side
    21,537.50x = 379,242,837.27
  5. Step 5: Solve for x
    x = 379,242,837.27/21,537.50
  6. Step 6: Final answer
    x = 17,608.49

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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.