Home / 12,572.82-18,861.93-4,252.44

Finding the Fourth Proportional to 12,572.82, 18,861.93 and 4,252.44

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Solution

The fourth proportional to 12,572.82, 18,861.93 and 4,252.44 is: 6,379.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.82 : 18,861.93 = 4,252.44 : x
  2. Step 2: Convert to fraction form
    12,572.82/18,861.93 = 4,252.44/x
  3. Step 3: Cross multiply
    12,572.82x = 18,861.93 × 4,252.44
  4. Step 4: Simplify right side
    12,572.82x = 80,209,225.61
  5. Step 5: Solve for x
    x = 80,209,225.61/12,572.82
  6. Step 6: Final answer
    x = 6,379.57

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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.