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Finding the Fourth Proportional to 17,455.08, 24,087.16 and 9,902.11

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Solution

The fourth proportional to 17,455.08, 24,087.16 and 9,902.11 is: 13,664.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,455.08 : 24,087.16 = 9,902.11 : x
  2. Step 2: Convert to fraction form
    17,455.08/24,087.16 = 9,902.11/x
  3. Step 3: Cross multiply
    17,455.08x = 24,087.16 × 9,902.11
  4. Step 4: Simplify right side
    17,455.08x = 238,513,707.91
  5. Step 5: Solve for x
    x = 238,513,707.91/17,455.08
  6. Step 6: Final answer
    x = 13,664.43

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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.