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Finding the Fourth Proportional to 16,297.88, 22,490.94 and 9,224.24

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Solution

The fourth proportional to 16,297.88, 22,490.94 and 9,224.24 is: 12,729.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,297.88 : 22,490.94 = 9,224.24 : x
  2. Step 2: Convert to fraction form
    16,297.88/22,490.94 = 9,224.24/x
  3. Step 3: Cross multiply
    16,297.88x = 22,490.94 × 9,224.24
  4. Step 4: Simplify right side
    16,297.88x = 207,461,828.39
  5. Step 5: Solve for x
    x = 207,461,828.39/16,297.88
  6. Step 6: Final answer
    x = 12,729.38

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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.