Home / 21,043.56-29,040.21-11,612.11

Finding the Fourth Proportional to 21,043.56, 29,040.21 and 11,612.11

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Solution

The fourth proportional to 21,043.56, 29,040.21 and 11,612.11 is: 16,024.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,043.56 : 29,040.21 = 11,612.11 : x
  2. Step 2: Convert to fraction form
    21,043.56/29,040.21 = 11,612.11/x
  3. Step 3: Cross multiply
    21,043.56x = 29,040.21 × 11,612.11
  4. Step 4: Simplify right side
    21,043.56x = 337,218,112.94
  5. Step 5: Solve for x
    x = 337,218,112.94/21,043.56
  6. Step 6: Final answer
    x = 16,024.77

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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.