Home / 9,099.82-13,638.66-4,929.94

Finding the Fourth Proportional to 9,099.82, 13,638.66 and 4,929.94

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Solution

The fourth proportional to 9,099.82, 13,638.66 and 4,929.94 is: 7,388.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.82 : 13,638.66 = 4,929.94 : x
  2. Step 2: Convert to fraction form
    9,099.82/13,638.66 = 4,929.94/x
  3. Step 3: Cross multiply
    9,099.82x = 13,638.66 × 4,929.94
  4. Step 4: Simplify right side
    9,099.82x = 67,237,775.48
  5. Step 5: Solve for x
    x = 67,237,775.48/9,099.82
  6. Step 6: Final answer
    x = 7,388.91

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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.