Home / 21,194.76-31,790.82-9,504.12

Finding the Fourth Proportional to 21,194.76, 31,790.82 and 9,504.12

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Solution

The fourth proportional to 21,194.76, 31,790.82 and 9,504.12 is: 14,255.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.76 : 31,790.82 = 9,504.12 : x
  2. Step 2: Convert to fraction form
    21,194.76/31,790.82 = 9,504.12/x
  3. Step 3: Cross multiply
    21,194.76x = 31,790.82 × 9,504.12
  4. Step 4: Simplify right side
    21,194.76x = 302,143,768.18
  5. Step 5: Solve for x
    x = 302,143,768.18/21,194.76
  6. Step 6: Final answer
    x = 14,255.59

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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.