Home / 15,914.56-23,863.44-5,380.96

Finding the Fourth Proportional to 15,914.56, 23,863.44 and 5,380.96

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Solution

The fourth proportional to 15,914.56, 23,863.44 and 5,380.96 is: 8,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914.56 : 23,863.44 = 5,380.96 : x
  2. Step 2: Convert to fraction form
    15,914.56/23,863.44 = 5,380.96/x
  3. Step 3: Cross multiply
    15,914.56x = 23,863.44 × 5,380.96
  4. Step 4: Simplify right side
    15,914.56x = 128,408,216.10
  5. Step 5: Solve for x
    x = 128,408,216.10/15,914.56
  6. Step 6: Final answer
    x = 8,068.60

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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.