Home / 21,184.14-29,234.13-11,752.70

Finding the Fourth Proportional to 21,184.14, 29,234.13 and 11,752.70

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Solution

The fourth proportional to 21,184.14, 29,234.13 and 11,752.70 is: 16,218.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184.14 : 29,234.13 = 11,752.70 : x
  2. Step 2: Convert to fraction form
    21,184.14/29,234.13 = 11,752.70/x
  3. Step 3: Cross multiply
    21,184.14x = 29,234.13 × 11,752.70
  4. Step 4: Simplify right side
    21,184.14x = 343,579,813.48
  5. Step 5: Solve for x
    x = 343,579,813.48/21,184.14
  6. Step 6: Final answer
    x = 16,218.73

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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.