Home / 13,951.34-19,246.92-11,817.80

Finding the Fourth Proportional to 13,951.34, 19,246.92 and 11,817.80

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Solution

The fourth proportional to 13,951.34, 19,246.92 and 11,817.80 is: 16,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.34 : 19,246.92 = 11,817.80 : x
  2. Step 2: Convert to fraction form
    13,951.34/19,246.92 = 11,817.80/x
  3. Step 3: Cross multiply
    13,951.34x = 19,246.92 × 11,817.80
  4. Step 4: Simplify right side
    13,951.34x = 227,456,251.18
  5. Step 5: Solve for x
    x = 227,456,251.18/13,951.34
  6. Step 6: Final answer
    x = 16,303.54

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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.