Home / 12,536.20-18,816.05-6,617.48

Finding the Fourth Proportional to 12,536.20, 18,816.05 and 6,617.48

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Solution

The fourth proportional to 12,536.20, 18,816.05 and 6,617.48 is: 9,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.20 : 18,816.05 = 6,617.48 : x
  2. Step 2: Convert to fraction form
    12,536.20/18,816.05 = 6,617.48/x
  3. Step 3: Cross multiply
    12,536.20x = 18,816.05 × 6,617.48
  4. Step 4: Simplify right side
    12,536.20x = 124,514,825.63
  5. Step 5: Solve for x
    x = 124,514,825.63/12,536.20
  6. Step 6: Final answer
    x = 9,932.42

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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.