Home / 22,733.56-31,372.09-12,661.41

Finding the Fourth Proportional to 22,733.56, 31,372.09 and 12,661.41

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Solution

The fourth proportional to 22,733.56, 31,372.09 and 12,661.41 is: 17,472.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,733.56 : 31,372.09 = 12,661.41 : x
  2. Step 2: Convert to fraction form
    22,733.56/31,372.09 = 12,661.41/x
  3. Step 3: Cross multiply
    22,733.56x = 31,372.09 × 12,661.41
  4. Step 4: Simplify right side
    22,733.56x = 397,214,894.05
  5. Step 5: Solve for x
    x = 397,214,894.05/22,733.56
  6. Step 6: Final answer
    x = 17,472.63

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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.