Home / 9,938.92-14,912.86-4,099.56

Finding the Fourth Proportional to 9,938.92, 14,912.86 and 4,099.56

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Solution

The fourth proportional to 9,938.92, 14,912.86 and 4,099.56 is: 6,151.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.92 : 14,912.86 = 4,099.56 : x
  2. Step 2: Convert to fraction form
    9,938.92/14,912.86 = 4,099.56/x
  3. Step 3: Cross multiply
    9,938.92x = 14,912.86 × 4,099.56
  4. Step 4: Simplify right side
    9,938.92x = 61,136,164.34
  5. Step 5: Solve for x
    x = 61,136,164.34/9,938.92
  6. Step 6: Final answer
    x = 6,151.19

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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.