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Finding the Fourth Proportional to 17,744.63, 26,616.96 and 9,958.91

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Solution

The fourth proportional to 17,744.63, 26,616.96 and 9,958.91 is: 14,938.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,744.63 : 26,616.96 = 9,958.91 : x
  2. Step 2: Convert to fraction form
    17,744.63/26,616.96 = 9,958.91/x
  3. Step 3: Cross multiply
    17,744.63x = 26,616.96 × 9,958.91
  4. Step 4: Simplify right side
    17,744.63x = 265,075,975.66
  5. Step 5: Solve for x
    x = 265,075,975.66/17,744.63
  6. Step 6: Final answer
    x = 14,938.38

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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.