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Finding the Fourth Proportional to 17,215, 23,753.04 and 10,138.84

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Solution

The fourth proportional to 17,215, 23,753.04 and 10,138.84 is: 13,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215 : 23,753.04 = 10,138.84 : x
  2. Step 2: Convert to fraction form
    17,215/23,753.04 = 10,138.84/x
  3. Step 3: Cross multiply
    17,215x = 23,753.04 × 10,138.84
  4. Step 4: Simplify right side
    17,215x = 240,828,272.07
  5. Step 5: Solve for x
    x = 240,828,272.07/17,215
  6. Step 6: Final answer
    x = 13,989.44

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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.