Home / 9,912.90-14,868.99-2,517.60

Finding the Fourth Proportional to 9,912.90, 14,868.99 and 2,517.60

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Solution

The fourth proportional to 9,912.90, 14,868.99 and 2,517.60 is: 3,776.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.90 : 14,868.99 = 2,517.60 : x
  2. Step 2: Convert to fraction form
    9,912.90/14,868.99 = 2,517.60/x
  3. Step 3: Cross multiply
    9,912.90x = 14,868.99 × 2,517.60
  4. Step 4: Simplify right side
    9,912.90x = 37,434,169.22
  5. Step 5: Solve for x
    x = 37,434,169.22/9,912.90
  6. Step 6: Final answer
    x = 3,776.31

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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.