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Finding the Fourth Proportional to 17,616.89, 24,312.45 and 9,962.09

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Solution

The fourth proportional to 17,616.89, 24,312.45 and 9,962.09 is: 13,748.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,616.89 : 24,312.45 = 9,962.09 : x
  2. Step 2: Convert to fraction form
    17,616.89/24,312.45 = 9,962.09/x
  3. Step 3: Cross multiply
    17,616.89x = 24,312.45 × 9,962.09
  4. Step 4: Simplify right side
    17,616.89x = 242,202,821.99
  5. Step 5: Solve for x
    x = 242,202,821.99/17,616.89
  6. Step 6: Final answer
    x = 13,748.33

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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.