Home / 9,194.40-13,780.44-3,989.52

Finding the Fourth Proportional to 9,194.40, 13,780.44 and 3,989.52

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Solution

The fourth proportional to 9,194.40, 13,780.44 and 3,989.52 is: 5,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194.40 : 13,780.44 = 3,989.52 : x
  2. Step 2: Convert to fraction form
    9,194.40/13,780.44 = 3,989.52/x
  3. Step 3: Cross multiply
    9,194.40x = 13,780.44 × 3,989.52
  4. Step 4: Simplify right side
    9,194.40x = 54,977,340.99
  5. Step 5: Solve for x
    x = 54,977,340.99/9,194.40
  6. Step 6: Final answer
    x = 5,979.44

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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.