Home / 15,937.20-21,993.48-8,863.44

Finding the Fourth Proportional to 15,937.20, 21,993.48 and 8,863.44

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Solution

The fourth proportional to 15,937.20, 21,993.48 and 8,863.44 is: 12,231.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.20 : 21,993.48 = 8,863.44 : x
  2. Step 2: Convert to fraction form
    15,937.20/21,993.48 = 8,863.44/x
  3. Step 3: Cross multiply
    15,937.20x = 21,993.48 × 8,863.44
  4. Step 4: Simplify right side
    15,937.20x = 194,937,890.37
  5. Step 5: Solve for x
    x = 194,937,890.37/15,937.20
  6. Step 6: Final answer
    x = 12,231.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.