Home / 13,974.63-19,283.81-8,231.17

Finding the Fourth Proportional to 13,974.63, 19,283.81 and 8,231.17

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Solution

The fourth proportional to 13,974.63, 19,283.81 and 8,231.17 is: 11,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.63 : 19,283.81 = 8,231.17 : x
  2. Step 2: Convert to fraction form
    13,974.63/19,283.81 = 8,231.17/x
  3. Step 3: Cross multiply
    13,974.63x = 19,283.81 × 8,231.17
  4. Step 4: Simplify right side
    13,974.63x = 158,728,318.36
  5. Step 5: Solve for x
    x = 158,728,318.36/13,974.63
  6. Step 6: Final answer
    x = 11,358.32

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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.