Home / 21,204.26-29,259.72-12,254.66

Finding the Fourth Proportional to 21,204.26, 29,259.72 and 12,254.66

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Solution

The fourth proportional to 21,204.26, 29,259.72 and 12,254.66 is: 16,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204.26 : 29,259.72 = 12,254.66 : x
  2. Step 2: Convert to fraction form
    21,204.26/29,259.72 = 12,254.66/x
  3. Step 3: Cross multiply
    21,204.26x = 29,259.72 × 12,254.66
  4. Step 4: Simplify right side
    21,204.26x = 358,567,920.30
  5. Step 5: Solve for x
    x = 358,567,920.30/21,204.26
  6. Step 6: Final answer
    x = 16,910.18

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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.