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Finding the Fourth Proportional to 17,366.68, 23,965.69 and 9,709.93

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Solution

The fourth proportional to 17,366.68, 23,965.69 and 9,709.93 is: 13,399.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,366.68 : 23,965.69 = 9,709.93 : x
  2. Step 2: Convert to fraction form
    17,366.68/23,965.69 = 9,709.93/x
  3. Step 3: Cross multiply
    17,366.68x = 23,965.69 × 9,709.93
  4. Step 4: Simplify right side
    17,366.68x = 232,705,172.30
  5. Step 5: Solve for x
    x = 232,705,172.30/17,366.68
  6. Step 6: Final answer
    x = 13,399.52

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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.