Home / 13,553.75-18,701.49-7,584.26

Finding the Fourth Proportional to 13,553.75, 18,701.49 and 7,584.26

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Solution

The fourth proportional to 13,553.75, 18,701.49 and 7,584.26 is: 10,464.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.75 : 18,701.49 = 7,584.26 : x
  2. Step 2: Convert to fraction form
    13,553.75/18,701.49 = 7,584.26/x
  3. Step 3: Cross multiply
    13,553.75x = 18,701.49 × 7,584.26
  4. Step 4: Simplify right side
    13,553.75x = 141,836,962.55
  5. Step 5: Solve for x
    x = 141,836,962.55/13,553.75
  6. Step 6: Final answer
    x = 10,464.78

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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.