Home / 12,530.08-18,795.94-4,209.44

Finding the Fourth Proportional to 12,530.08, 18,795.94 and 4,209.44

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Solution

The fourth proportional to 12,530.08, 18,795.94 and 4,209.44 is: 6,314.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.08 : 18,795.94 = 4,209.44 : x
  2. Step 2: Convert to fraction form
    12,530.08/18,795.94 = 4,209.44/x
  3. Step 3: Cross multiply
    12,530.08x = 18,795.94 × 4,209.44
  4. Step 4: Simplify right side
    12,530.08x = 79,120,381.67
  5. Step 5: Solve for x
    x = 79,120,381.67/12,530.08
  6. Step 6: Final answer
    x = 6,314.44

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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.