Home / 9,912.28-14,868.74-3,673.86

Finding the Fourth Proportional to 9,912.28, 14,868.74 and 3,673.86

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Solution

The fourth proportional to 9,912.28, 14,868.74 and 3,673.86 is: 5,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.28 : 14,868.74 = 3,673.86 : x
  2. Step 2: Convert to fraction form
    9,912.28/14,868.74 = 3,673.86/x
  3. Step 3: Cross multiply
    9,912.28x = 14,868.74 × 3,673.86
  4. Step 4: Simplify right side
    9,912.28x = 54,625,669.14
  5. Step 5: Solve for x
    x = 54,625,669.14/9,912.28
  6. Step 6: Final answer
    x = 5,510.91

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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.