Home / 21,626.48-29,839.43-12,193.22

Finding the Fourth Proportional to 21,626.48, 29,839.43 and 12,193.22

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Solution

The fourth proportional to 21,626.48, 29,839.43 and 12,193.22 is: 16,823.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.48 : 29,839.43 = 12,193.22 : x
  2. Step 2: Convert to fraction form
    21,626.48/29,839.43 = 12,193.22/x
  3. Step 3: Cross multiply
    21,626.48x = 29,839.43 × 12,193.22
  4. Step 4: Simplify right side
    21,626.48x = 363,838,615.95
  5. Step 5: Solve for x
    x = 363,838,615.95/21,626.48
  6. Step 6: Final answer
    x = 16,823.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.