Home / 21,046.44-29,043.76-11,615.08

Finding the Fourth Proportional to 21,046.44, 29,043.76 and 11,615.08

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Solution

The fourth proportional to 21,046.44, 29,043.76 and 11,615.08 is: 16,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046.44 : 29,043.76 = 11,615.08 : x
  2. Step 2: Convert to fraction form
    21,046.44/29,043.76 = 11,615.08/x
  3. Step 3: Cross multiply
    21,046.44x = 29,043.76 × 11,615.08
  4. Step 4: Simplify right side
    21,046.44x = 337,345,595.90
  5. Step 5: Solve for x
    x = 337,345,595.90/21,046.44
  6. Step 6: Final answer
    x = 16,028.63

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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.