Home / 21,373.92-29,495.52-11,943.36

Finding the Fourth Proportional to 21,373.92, 29,495.52 and 11,943.36

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Solution

The fourth proportional to 21,373.92, 29,495.52 and 11,943.36 is: 16,481.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373.92 : 29,495.52 = 11,943.36 : x
  2. Step 2: Convert to fraction form
    21,373.92/29,495.52 = 11,943.36/x
  3. Step 3: Cross multiply
    21,373.92x = 29,495.52 × 11,943.36
  4. Step 4: Simplify right side
    21,373.92x = 352,275,613.75
  5. Step 5: Solve for x
    x = 352,275,613.75/21,373.92
  6. Step 6: Final answer
    x = 16,481.56

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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.