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Finding the Fourth Proportional to 17,662.77, 26,468.22 and 8,885.61

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Solution

The fourth proportional to 17,662.77, 26,468.22 and 8,885.61 is: 13,315.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,662.77 : 26,468.22 = 8,885.61 : x
  2. Step 2: Convert to fraction form
    17,662.77/26,468.22 = 8,885.61/x
  3. Step 3: Cross multiply
    17,662.77x = 26,468.22 × 8,885.61
  4. Step 4: Simplify right side
    17,662.77x = 235,186,280.31
  5. Step 5: Solve for x
    x = 235,186,280.31/17,662.77
  6. Step 6: Final answer
    x = 13,315.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.