Home / 21,202.26-29,259.59-12,003.05

Finding the Fourth Proportional to 21,202.26, 29,259.59 and 12,003.05

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Solution

The fourth proportional to 21,202.26, 29,259.59 and 12,003.05 is: 16,564.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,202.26 : 29,259.59 = 12,003.05 : x
  2. Step 2: Convert to fraction form
    21,202.26/29,259.59 = 12,003.05/x
  3. Step 3: Cross multiply
    21,202.26x = 29,259.59 × 12,003.05
  4. Step 4: Simplify right side
    21,202.26x = 351,204,115.44
  5. Step 5: Solve for x
    x = 351,204,115.44/21,202.26
  6. Step 6: Final answer
    x = 16,564.47

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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.