Home / 21,626.12-29,844.10-12,194.84

Finding the Fourth Proportional to 21,626.12, 29,844.10 and 12,194.84

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Solution

The fourth proportional to 21,626.12, 29,844.10 and 12,194.84 is: 16,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.12 : 29,844.10 = 12,194.84 : x
  2. Step 2: Convert to fraction form
    21,626.12/29,844.10 = 12,194.84/x
  3. Step 3: Cross multiply
    21,626.12x = 29,844.10 × 12,194.84
  4. Step 4: Simplify right side
    21,626.12x = 363,944,024.44
  5. Step 5: Solve for x
    x = 363,944,024.44/21,626.12
  6. Step 6: Final answer
    x = 16,828.91

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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.