Home / 21,626.69-29,844.84-12,195.26

Finding the Fourth Proportional to 21,626.69, 29,844.84 and 12,195.26

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Solution

The fourth proportional to 21,626.69, 29,844.84 and 12,195.26 is: 16,829.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.69 : 29,844.84 = 12,195.26 : x
  2. Step 2: Convert to fraction form
    21,626.69/29,844.84 = 12,195.26/x
  3. Step 3: Cross multiply
    21,626.69x = 29,844.84 × 12,195.26
  4. Step 4: Simplify right side
    21,626.69x = 363,965,434.23
  5. Step 5: Solve for x
    x = 363,965,434.23/21,626.69
  6. Step 6: Final answer
    x = 16,829.46

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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.