Home / 21,363.52-29,481.49-12,416.26

Finding the Fourth Proportional to 21,363.52, 29,481.49 and 12,416.26

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Solution

The fourth proportional to 21,363.52, 29,481.49 and 12,416.26 is: 17,134.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,363.52 : 29,481.49 = 12,416.26 : x
  2. Step 2: Convert to fraction form
    21,363.52/29,481.49 = 12,416.26/x
  3. Step 3: Cross multiply
    21,363.52x = 29,481.49 × 12,416.26
  4. Step 4: Simplify right side
    21,363.52x = 366,049,845.03
  5. Step 5: Solve for x
    x = 366,049,845.03/21,363.52
  6. Step 6: Final answer
    x = 17,134.34

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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.