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Finding the Fourth Proportional to 17,896.92, 24,700.44 and 12,877.74

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Solution

The fourth proportional to 17,896.92, 24,700.44 and 12,877.74 is: 17,773.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,896.92 : 24,700.44 = 12,877.74 : x
  2. Step 2: Convert to fraction form
    17,896.92/24,700.44 = 12,877.74/x
  3. Step 3: Cross multiply
    17,896.92x = 24,700.44 × 12,877.74
  4. Step 4: Simplify right side
    17,896.92x = 318,085,844.21
  5. Step 5: Solve for x
    x = 318,085,844.21/17,896.92
  6. Step 6: Final answer
    x = 17,773.22

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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.