Home / 18,992.16-28,488.30-5,844.45

Finding the Fourth Proportional to 18,992.16, 28,488.30 and 5,844.45

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Solution

The fourth proportional to 18,992.16, 28,488.30 and 5,844.45 is: 8,766.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,992.16 : 28,488.30 = 5,844.45 : x
  2. Step 2: Convert to fraction form
    18,992.16/28,488.30 = 5,844.45/x
  3. Step 3: Cross multiply
    18,992.16x = 28,488.30 × 5,844.45
  4. Step 4: Simplify right side
    18,992.16x = 166,498,444.94
  5. Step 5: Solve for x
    x = 166,498,444.94/18,992.16
  6. Step 6: Final answer
    x = 8,766.69

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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.