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Finding the Fourth Proportional to 17,008.47, 23,471.15 and 9,351.77

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Solution

The fourth proportional to 17,008.47, 23,471.15 and 9,351.77 is: 12,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,008.47 : 23,471.15 = 9,351.77 : x
  2. Step 2: Convert to fraction form
    17,008.47/23,471.15 = 9,351.77/x
  3. Step 3: Cross multiply
    17,008.47x = 23,471.15 × 9,351.77
  4. Step 4: Simplify right side
    17,008.47x = 219,496,632.32
  5. Step 5: Solve for x
    x = 219,496,632.32/17,008.47
  6. Step 6: Final answer
    x = 12,905.14

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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.