Home / 21,024.76-31,546.46-11,161.66

Finding the Fourth Proportional to 21,024.76, 31,546.46 and 11,161.66

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Solution

The fourth proportional to 21,024.76, 31,546.46 and 11,161.66 is: 16,747.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024.76 : 31,546.46 = 11,161.66 : x
  2. Step 2: Convert to fraction form
    21,024.76/31,546.46 = 11,161.66/x
  3. Step 3: Cross multiply
    21,024.76x = 31,546.46 × 11,161.66
  4. Step 4: Simplify right side
    21,024.76x = 352,110,860.72
  5. Step 5: Solve for x
    x = 352,110,860.72/21,024.76
  6. Step 6: Final answer
    x = 16,747.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.