Home / 18,993.06-28,483.38-6,339.42

Finding the Fourth Proportional to 18,993.06, 28,483.38 and 6,339.42

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Solution

The fourth proportional to 18,993.06, 28,483.38 and 6,339.42 is: 9,507.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,993.06 : 28,483.38 = 6,339.42 : x
  2. Step 2: Convert to fraction form
    18,993.06/28,483.38 = 6,339.42/x
  3. Step 3: Cross multiply
    18,993.06x = 28,483.38 × 6,339.42
  4. Step 4: Simplify right side
    18,993.06x = 180,568,108.84
  5. Step 5: Solve for x
    x = 180,568,108.84/18,993.06
  6. Step 6: Final answer
    x = 9,507.06

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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.