Home / 21,593.48-32,364.22-9,890.60

Finding the Fourth Proportional to 21,593.48, 32,364.22 and 9,890.60

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Solution

The fourth proportional to 21,593.48, 32,364.22 and 9,890.60 is: 14,823.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,593.48 : 32,364.22 = 9,890.60 : x
  2. Step 2: Convert to fraction form
    21,593.48/32,364.22 = 9,890.60/x
  3. Step 3: Cross multiply
    21,593.48x = 32,364.22 × 9,890.60
  4. Step 4: Simplify right side
    21,593.48x = 320,101,554.33
  5. Step 5: Solve for x
    x = 320,101,554.33/21,593.48
  6. Step 6: Final answer
    x = 14,823.99

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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.