Home / 16,772.34-25,125.71-12,857.61

Finding the Fourth Proportional to 16,772.34, 25,125.71 and 12,857.61

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Solution

The fourth proportional to 16,772.34, 25,125.71 and 12,857.61 is: 19,261.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,772.34 : 25,125.71 = 12,857.61 : x
  2. Step 2: Convert to fraction form
    16,772.34/25,125.71 = 12,857.61/x
  3. Step 3: Cross multiply
    16,772.34x = 25,125.71 × 12,857.61
  4. Step 4: Simplify right side
    16,772.34x = 323,056,515.87
  5. Step 5: Solve for x
    x = 323,056,515.87/16,772.34
  6. Step 6: Final answer
    x = 19,261.27

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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.