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Finding the Fourth Proportional to 17,355.80, 23,950.97 and 9,801.78

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Solution

The fourth proportional to 17,355.80, 23,950.97 and 9,801.78 is: 13,526.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,355.80 : 23,950.97 = 9,801.78 : x
  2. Step 2: Convert to fraction form
    17,355.80/23,950.97 = 9,801.78/x
  3. Step 3: Cross multiply
    17,355.80x = 23,950.97 × 9,801.78
  4. Step 4: Simplify right side
    17,355.80x = 234,762,036.66
  5. Step 5: Solve for x
    x = 234,762,036.66/17,355.80
  6. Step 6: Final answer
    x = 13,526.43

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1.5x scale

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.