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Finding the Fourth Proportional to 17,813.30, 24,579.63 and 9,855.59

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Solution

The fourth proportional to 17,813.30, 24,579.63 and 9,855.59 is: 13,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,813.30 : 24,579.63 = 9,855.59 : x
  2. Step 2: Convert to fraction form
    17,813.30/24,579.63 = 9,855.59/x
  3. Step 3: Cross multiply
    17,813.30x = 24,579.63 × 9,855.59
  4. Step 4: Simplify right side
    17,813.30x = 242,246,632.73
  5. Step 5: Solve for x
    x = 242,246,632.73/17,813.30
  6. Step 6: Final answer
    x = 13,599.20

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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.