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Finding the Fourth Proportional to 17,710.94, 26,558.88 and 6,609.87

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Solution

The fourth proportional to 17,710.94, 26,558.88 and 6,609.87 is: 9,912.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,710.94 : 26,558.88 = 6,609.87 : x
  2. Step 2: Convert to fraction form
    17,710.94/26,558.88 = 6,609.87/x
  3. Step 3: Cross multiply
    17,710.94x = 26,558.88 × 6,609.87
  4. Step 4: Simplify right side
    17,710.94x = 175,550,744.15
  5. Step 5: Solve for x
    x = 175,550,744.15/17,710.94
  6. Step 6: Final answer
    x = 9,912.00

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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.