Home / 13,104.55-19,650.79-4,218.22

Finding the Fourth Proportional to 13,104.55, 19,650.79 and 4,218.22

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Solution

The fourth proportional to 13,104.55, 19,650.79 and 4,218.22 is: 6,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.55 : 19,650.79 = 4,218.22 : x
  2. Step 2: Convert to fraction form
    13,104.55/19,650.79 = 4,218.22/x
  3. Step 3: Cross multiply
    13,104.55x = 19,650.79 × 4,218.22
  4. Step 4: Simplify right side
    13,104.55x = 82,891,355.39
  5. Step 5: Solve for x
    x = 82,891,355.39/13,104.55
  6. Step 6: Final answer
    x = 6,325.39

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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.