Home / 12,619.92-18,934.20-5,597.76

Finding the Fourth Proportional to 12,619.92, 18,934.20 and 5,597.76

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Solution

The fourth proportional to 12,619.92, 18,934.20 and 5,597.76 is: 8,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.92 : 18,934.20 = 5,597.76 : x
  2. Step 2: Convert to fraction form
    12,619.92/18,934.20 = 5,597.76/x
  3. Step 3: Cross multiply
    12,619.92x = 18,934.20 × 5,597.76
  4. Step 4: Simplify right side
    12,619.92x = 105,989,107.39
  5. Step 5: Solve for x
    x = 105,989,107.39/12,619.92
  6. Step 6: Final answer
    x = 8,398.56

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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.