Home / 13,251.08-18,286.54-7,283.36

Finding the Fourth Proportional to 13,251.08, 18,286.54 and 7,283.36

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Solution

The fourth proportional to 13,251.08, 18,286.54 and 7,283.36 is: 10,051.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.08 : 18,286.54 = 7,283.36 : x
  2. Step 2: Convert to fraction form
    13,251.08/18,286.54 = 7,283.36/x
  3. Step 3: Cross multiply
    13,251.08x = 18,286.54 × 7,283.36
  4. Step 4: Simplify right side
    13,251.08x = 133,187,453.97
  5. Step 5: Solve for x
    x = 133,187,453.97/13,251.08
  6. Step 6: Final answer
    x = 10,051.06

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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.