Home / 22,269.44-30,717.06-14,321.72

Finding the Fourth Proportional to 22,269.44, 30,717.06 and 14,321.72

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Solution

The fourth proportional to 22,269.44, 30,717.06 and 14,321.72 is: 19,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.44 : 30,717.06 = 14,321.72 : x
  2. Step 2: Convert to fraction form
    22,269.44/30,717.06 = 14,321.72/x
  3. Step 3: Cross multiply
    22,269.44x = 30,717.06 × 14,321.72
  4. Step 4: Simplify right side
    22,269.44x = 439,921,132.54
  5. Step 5: Solve for x
    x = 439,921,132.54/22,269.44
  6. Step 6: Final answer
    x = 19,754.48

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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.