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Finding the Fourth Proportional to 17,321.86, 25,983.02 and 4,841.16

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Solution

The fourth proportional to 17,321.86, 25,983.02 and 4,841.16 is: 7,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,321.86 : 25,983.02 = 4,841.16 : x
  2. Step 2: Convert to fraction form
    17,321.86/25,983.02 = 4,841.16/x
  3. Step 3: Cross multiply
    17,321.86x = 25,983.02 × 4,841.16
  4. Step 4: Simplify right side
    17,321.86x = 125,787,957.10
  5. Step 5: Solve for x
    x = 125,787,957.10/17,321.86
  6. Step 6: Final answer
    x = 7,261.80

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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.