Home / 10,742.44-16,099.81-4,815

Finding the Fourth Proportional to 10,742.44, 16,099.81 and 4,815

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Solution

The fourth proportional to 10,742.44, 16,099.81 and 4,815 is: 7,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.44 : 16,099.81 = 4,815 : x
  2. Step 2: Convert to fraction form
    10,742.44/16,099.81 = 4,815/x
  3. Step 3: Cross multiply
    10,742.44x = 16,099.81 × 4,815
  4. Step 4: Simplify right side
    10,742.44x = 77,520,585.15
  5. Step 5: Solve for x
    x = 77,520,585.15/10,742.44
  6. Step 6: Final answer
    x = 7,216.29

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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.