Home / 12,544.90-18,804.19-4,222.04

Finding the Fourth Proportional to 12,544.90, 18,804.19 and 4,222.04

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Solution

The fourth proportional to 12,544.90, 18,804.19 and 4,222.04 is: 6,328.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.90 : 18,804.19 = 4,222.04 : x
  2. Step 2: Convert to fraction form
    12,544.90/18,804.19 = 4,222.04/x
  3. Step 3: Cross multiply
    12,544.90x = 18,804.19 × 4,222.04
  4. Step 4: Simplify right side
    12,544.90x = 79,392,042.35
  5. Step 5: Solve for x
    x = 79,392,042.35/12,544.90
  6. Step 6: Final answer
    x = 6,328.63

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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.