Home / 13,936.91-19,232.24-8,271.90

Finding the Fourth Proportional to 13,936.91, 19,232.24 and 8,271.90

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Solution

The fourth proportional to 13,936.91, 19,232.24 and 8,271.90 is: 11,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.91 : 19,232.24 = 8,271.90 : x
  2. Step 2: Convert to fraction form
    13,936.91/19,232.24 = 8,271.90/x
  3. Step 3: Cross multiply
    13,936.91x = 19,232.24 × 8,271.90
  4. Step 4: Simplify right side
    13,936.91x = 159,087,070.61
  5. Step 5: Solve for x
    x = 159,087,070.61/13,936.91
  6. Step 6: Final answer
    x = 11,414.80

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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.