Home / 12,634.08-18,940.40-5,233.92

Finding the Fourth Proportional to 12,634.08, 18,940.40 and 5,233.92

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Solution

The fourth proportional to 12,634.08, 18,940.40 and 5,233.92 is: 7,846.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.08 : 18,940.40 = 5,233.92 : x
  2. Step 2: Convert to fraction form
    12,634.08/18,940.40 = 5,233.92/x
  3. Step 3: Cross multiply
    12,634.08x = 18,940.40 × 5,233.92
  4. Step 4: Simplify right side
    12,634.08x = 99,132,538.37
  5. Step 5: Solve for x
    x = 99,132,538.37/12,634.08
  6. Step 6: Final answer
    x = 7,846.44

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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.