Home / 21,044.09-29,040.09-11,612.45

Finding the Fourth Proportional to 21,044.09, 29,040.09 and 11,612.45

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Solution

The fourth proportional to 21,044.09, 29,040.09 and 11,612.45 is: 16,024.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.09 : 29,040.09 = 11,612.45 : x
  2. Step 2: Convert to fraction form
    21,044.09/29,040.09 = 11,612.45/x
  3. Step 3: Cross multiply
    21,044.09x = 29,040.09 × 11,612.45
  4. Step 4: Simplify right side
    21,044.09x = 337,226,622.17
  5. Step 5: Solve for x
    x = 337,226,622.17/21,044.09
  6. Step 6: Final answer
    x = 16,024.76

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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.