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Finding the Fourth Proportional to 16,330.56, 22,536.06 and 8,878.56

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Solution

The fourth proportional to 16,330.56, 22,536.06 and 8,878.56 is: 12,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,330.56 : 22,536.06 = 8,878.56 : x
  2. Step 2: Convert to fraction form
    16,330.56/22,536.06 = 8,878.56/x
  3. Step 3: Cross multiply
    16,330.56x = 22,536.06 × 8,878.56
  4. Step 4: Simplify right side
    16,330.56x = 200,087,760.87
  5. Step 5: Solve for x
    x = 200,087,760.87/16,330.56
  6. Step 6: Final answer
    x = 12,252.35

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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.