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Finding the Fourth Proportional to 17,703.67, 26,551.98 and 11,359.79

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Solution

The fourth proportional to 17,703.67, 26,551.98 and 11,359.79 is: 17,037.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,703.67 : 26,551.98 = 11,359.79 : x
  2. Step 2: Convert to fraction form
    17,703.67/26,551.98 = 11,359.79/x
  3. Step 3: Cross multiply
    17,703.67x = 26,551.98 × 11,359.79
  4. Step 4: Simplify right side
    17,703.67x = 301,624,784.12
  5. Step 5: Solve for x
    x = 301,624,784.12/17,703.67
  6. Step 6: Final answer
    x = 17,037.41

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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.