Home / 21,861.03-32,791.55-9,372.99

Finding the Fourth Proportional to 21,861.03, 32,791.55 and 9,372.99

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Solution

The fourth proportional to 21,861.03, 32,791.55 and 9,372.99 is: 14,059.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,861.03 : 32,791.55 = 9,372.99 : x
  2. Step 2: Convert to fraction form
    21,861.03/32,791.55 = 9,372.99/x
  3. Step 3: Cross multiply
    21,861.03x = 32,791.55 × 9,372.99
  4. Step 4: Simplify right side
    21,861.03x = 307,354,823.37
  5. Step 5: Solve for x
    x = 307,354,823.37/21,861.03
  6. Step 6: Final answer
    x = 14,059.49

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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.