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Finding the Fourth Proportional to 17,665.16, 26,502.51 and 5,821.17

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Solution

The fourth proportional to 17,665.16, 26,502.51 and 5,821.17 is: 8,733.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,665.16 : 26,502.51 = 5,821.17 : x
  2. Step 2: Convert to fraction form
    17,665.16/26,502.51 = 5,821.17/x
  3. Step 3: Cross multiply
    17,665.16x = 26,502.51 × 5,821.17
  4. Step 4: Simplify right side
    17,665.16x = 154,275,616.14
  5. Step 5: Solve for x
    x = 154,275,616.14/17,665.16
  6. Step 6: Final answer
    x = 8,733.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.