Home / 18,887.29-28,331.94-4,847.44

Finding the Fourth Proportional to 18,887.29, 28,331.94 and 4,847.44

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Solution

The fourth proportional to 18,887.29, 28,331.94 and 4,847.44 is: 7,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.29 : 28,331.94 = 4,847.44 : x
  2. Step 2: Convert to fraction form
    18,887.29/28,331.94 = 4,847.44/x
  3. Step 3: Cross multiply
    18,887.29x = 28,331.94 × 4,847.44
  4. Step 4: Simplify right side
    18,887.29x = 137,337,237.57
  5. Step 5: Solve for x
    x = 137,337,237.57/18,887.29
  6. Step 6: Final answer
    x = 7,271.41

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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.