Home / 12,575.94-18,857.84-3,808.91

Finding the Fourth Proportional to 12,575.94, 18,857.84 and 3,808.91

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Solution

The fourth proportional to 12,575.94, 18,857.84 and 3,808.91 is: 5,711.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.94 : 18,857.84 = 3,808.91 : x
  2. Step 2: Convert to fraction form
    12,575.94/18,857.84 = 3,808.91/x
  3. Step 3: Cross multiply
    12,575.94x = 18,857.84 × 3,808.91
  4. Step 4: Simplify right side
    12,575.94x = 71,827,702.02
  5. Step 5: Solve for x
    x = 71,827,702.02/12,575.94
  6. Step 6: Final answer
    x = 5,711.52

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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.