Home / 13,936.61-19,224.41-8,627.64

Finding the Fourth Proportional to 13,936.61, 19,224.41 and 8,627.64

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Solution

The fourth proportional to 13,936.61, 19,224.41 and 8,627.64 is: 11,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.61 : 19,224.41 = 8,627.64 : x
  2. Step 2: Convert to fraction form
    13,936.61/19,224.41 = 8,627.64/x
  3. Step 3: Cross multiply
    13,936.61x = 19,224.41 × 8,627.64
  4. Step 4: Simplify right side
    13,936.61x = 165,861,245.55
  5. Step 5: Solve for x
    x = 165,861,245.55/13,936.61
  6. Step 6: Final answer
    x = 11,901.12

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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.