Home / 18,856.44-28,287.72-6,377.23

Finding the Fourth Proportional to 18,856.44, 28,287.72 and 6,377.23

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Solution

The fourth proportional to 18,856.44, 28,287.72 and 6,377.23 is: 9,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.44 : 28,287.72 = 6,377.23 : x
  2. Step 2: Convert to fraction form
    18,856.44/28,287.72 = 6,377.23/x
  3. Step 3: Cross multiply
    18,856.44x = 28,287.72 × 6,377.23
  4. Step 4: Simplify right side
    18,856.44x = 180,397,155.18
  5. Step 5: Solve for x
    x = 180,397,155.18/18,856.44
  6. Step 6: Final answer
    x = 9,566.87

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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.