Home / 12,575.92-18,857.85-4,675.90

Finding the Fourth Proportional to 12,575.92, 18,857.85 and 4,675.90

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Solution

The fourth proportional to 12,575.92, 18,857.85 and 4,675.90 is: 7,011.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.92 : 18,857.85 = 4,675.90 : x
  2. Step 2: Convert to fraction form
    12,575.92/18,857.85 = 4,675.90/x
  3. Step 3: Cross multiply
    12,575.92x = 18,857.85 × 4,675.90
  4. Step 4: Simplify right side
    12,575.92x = 88,177,420.82
  5. Step 5: Solve for x
    x = 88,177,420.82/12,575.92
  6. Step 6: Final answer
    x = 7,011.61

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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.