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Finding the Fourth Proportional to 17,616.73, 24,312.62 and 9,660.51

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Solution

The fourth proportional to 17,616.73, 24,312.62 and 9,660.51 is: 13,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,616.73 : 24,312.62 = 9,660.51 : x
  2. Step 2: Convert to fraction form
    17,616.73/24,312.62 = 9,660.51/x
  3. Step 3: Cross multiply
    17,616.73x = 24,312.62 × 9,660.51
  4. Step 4: Simplify right side
    17,616.73x = 234,872,138.77
  5. Step 5: Solve for x
    x = 234,872,138.77/17,616.73
  6. Step 6: Final answer
    x = 13,332.33

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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.