Home / 12,536.39-18,805.53-4,216.43

Finding the Fourth Proportional to 12,536.39, 18,805.53 and 4,216.43

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Solution

The fourth proportional to 12,536.39, 18,805.53 and 4,216.43 is: 6,324.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.39 : 18,805.53 = 4,216.43 : x
  2. Step 2: Convert to fraction form
    12,536.39/18,805.53 = 4,216.43/x
  3. Step 3: Cross multiply
    12,536.39x = 18,805.53 × 4,216.43
  4. Step 4: Simplify right side
    12,536.39x = 79,292,200.86
  5. Step 5: Solve for x
    x = 79,292,200.86/12,536.39
  6. Step 6: Final answer
    x = 6,324.96

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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.