Home / 13,913.43-19,200.49-7,625.80

Finding the Fourth Proportional to 13,913.43, 19,200.49 and 7,625.80

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Solution

The fourth proportional to 13,913.43, 19,200.49 and 7,625.80 is: 10,523.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.43 : 19,200.49 = 7,625.80 : x
  2. Step 2: Convert to fraction form
    13,913.43/19,200.49 = 7,625.80/x
  3. Step 3: Cross multiply
    13,913.43x = 19,200.49 × 7,625.80
  4. Step 4: Simplify right side
    13,913.43x = 146,419,096.64
  5. Step 5: Solve for x
    x = 146,419,096.64/13,913.43
  6. Step 6: Final answer
    x = 10,523.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.