Home / 21,184.53-29,236.10-11,753.09

Finding the Fourth Proportional to 21,184.53, 29,236.10 and 11,753.09

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Solution

The fourth proportional to 21,184.53, 29,236.10 and 11,753.09 is: 16,220.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184.53 : 29,236.10 = 11,753.09 : x
  2. Step 2: Convert to fraction form
    21,184.53/29,236.10 = 11,753.09/x
  3. Step 3: Cross multiply
    21,184.53x = 29,236.10 × 11,753.09
  4. Step 4: Simplify right side
    21,184.53x = 343,614,514.55
  5. Step 5: Solve for x
    x = 343,614,514.55/21,184.53
  6. Step 6: Final answer
    x = 16,220.07

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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.