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Finding the Fourth Proportional to 16,579.13, 22,878.72 and 9,025.29

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Solution

The fourth proportional to 16,579.13, 22,878.72 and 9,025.29 is: 12,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,579.13 : 22,878.72 = 9,025.29 : x
  2. Step 2: Convert to fraction form
    16,579.13/22,878.72 = 9,025.29/x
  3. Step 3: Cross multiply
    16,579.13x = 22,878.72 × 9,025.29
  4. Step 4: Simplify right side
    16,579.13x = 206,486,948.23
  5. Step 5: Solve for x
    x = 206,486,948.23/16,579.13
  6. Step 6: Final answer
    x = 12,454.63

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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.