Home / 21,768.48-32,652.03-6,186.09

Finding the Fourth Proportional to 21,768.48, 32,652.03 and 6,186.09

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Solution

The fourth proportional to 21,768.48, 32,652.03 and 6,186.09 is: 9,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768.48 : 32,652.03 = 6,186.09 : x
  2. Step 2: Convert to fraction form
    21,768.48/32,652.03 = 6,186.09/x
  3. Step 3: Cross multiply
    21,768.48x = 32,652.03 × 6,186.09
  4. Step 4: Simplify right side
    21,768.48x = 201,988,396.26
  5. Step 5: Solve for x
    x = 201,988,396.26/21,768.48
  6. Step 6: Final answer
    x = 9,278.94

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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.