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Finding the Fourth Proportional to 15,173.82, 22,754.52 and 8,946.27

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Solution

The fourth proportional to 15,173.82, 22,754.52 and 8,946.27 is: 13,415.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,173.82 : 22,754.52 = 8,946.27 : x
  2. Step 2: Convert to fraction form
    15,173.82/22,754.52 = 8,946.27/x
  3. Step 3: Cross multiply
    15,173.82x = 22,754.52 × 8,946.27
  4. Step 4: Simplify right side
    15,173.82x = 203,568,079.64
  5. Step 5: Solve for x
    x = 203,568,079.64/15,173.82
  6. Step 6: Final answer
    x = 13,415.74

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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.