Home / 18,847.89-28,273.20-6,368.32

Finding the Fourth Proportional to 18,847.89, 28,273.20 and 6,368.32

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Solution

The fourth proportional to 18,847.89, 28,273.20 and 6,368.32 is: 9,552.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,847.89 : 28,273.20 = 6,368.32 : x
  2. Step 2: Convert to fraction form
    18,847.89/28,273.20 = 6,368.32/x
  3. Step 3: Cross multiply
    18,847.89x = 28,273.20 × 6,368.32
  4. Step 4: Simplify right side
    18,847.89x = 180,052,832.31
  5. Step 5: Solve for x
    x = 180,052,832.31/18,847.89
  6. Step 6: Final answer
    x = 9,552.94

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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.