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Finding the Fourth Proportional to 16,297.13, 22,490.06 and 8,845.13

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Solution

The fourth proportional to 16,297.13, 22,490.06 and 8,845.13 is: 12,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,297.13 : 22,490.06 = 8,845.13 : x
  2. Step 2: Convert to fraction form
    16,297.13/22,490.06 = 8,845.13/x
  3. Step 3: Cross multiply
    16,297.13x = 22,490.06 × 8,845.13
  4. Step 4: Simplify right side
    16,297.13x = 198,927,347.73
  5. Step 5: Solve for x
    x = 198,927,347.73/16,297.13
  6. Step 6: Final answer
    x = 12,206.28

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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.