Home / 18,863.37-28,273.14-8,453.25

Finding the Fourth Proportional to 18,863.37, 28,273.14 and 8,453.25

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Solution

The fourth proportional to 18,863.37, 28,273.14 and 8,453.25 is: 12,670.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863.37 : 28,273.14 = 8,453.25 : x
  2. Step 2: Convert to fraction form
    18,863.37/28,273.14 = 8,453.25/x
  3. Step 3: Cross multiply
    18,863.37x = 28,273.14 × 8,453.25
  4. Step 4: Simplify right side
    18,863.37x = 238,999,920.71
  5. Step 5: Solve for x
    x = 238,999,920.71/18,863.37
  6. Step 6: Final answer
    x = 12,670.05

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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.