Home / 13,940.82-19,232.06-8,275.79

Finding the Fourth Proportional to 13,940.82, 19,232.06 and 8,275.79

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Solution

The fourth proportional to 13,940.82, 19,232.06 and 8,275.79 is: 11,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.82 : 19,232.06 = 8,275.79 : x
  2. Step 2: Convert to fraction form
    13,940.82/19,232.06 = 8,275.79/x
  3. Step 3: Cross multiply
    13,940.82x = 19,232.06 × 8,275.79
  4. Step 4: Simplify right side
    13,940.82x = 159,160,496.53
  5. Step 5: Solve for x
    x = 159,160,496.53/13,940.82
  6. Step 6: Final answer
    x = 11,416.87

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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.