Home / 21,046.32-29,044.02-11,615.49

Finding the Fourth Proportional to 21,046.32, 29,044.02 and 11,615.49

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Solution

The fourth proportional to 21,046.32, 29,044.02 and 11,615.49 is: 16,029.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046.32 : 29,044.02 = 11,615.49 : x
  2. Step 2: Convert to fraction form
    21,046.32/29,044.02 = 11,615.49/x
  3. Step 3: Cross multiply
    21,046.32x = 29,044.02 × 11,615.49
  4. Step 4: Simplify right side
    21,046.32x = 337,360,523.87
  5. Step 5: Solve for x
    x = 337,360,523.87/21,046.32
  6. Step 6: Final answer
    x = 16,029.43

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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.