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Finding the Fourth Proportional to 17,793.36, 24,554.64 and 9,726.81

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Solution

The fourth proportional to 17,793.36, 24,554.64 and 9,726.81 is: 13,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,793.36 : 24,554.64 = 9,726.81 : x
  2. Step 2: Convert to fraction form
    17,793.36/24,554.64 = 9,726.81/x
  3. Step 3: Cross multiply
    17,793.36x = 24,554.64 × 9,726.81
  4. Step 4: Simplify right side
    17,793.36x = 238,838,317.90
  5. Step 5: Solve for x
    x = 238,838,317.90/17,793.36
  6. Step 6: Final answer
    x = 13,422.89

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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.