Home / 13,251.80-18,287.27-7,284.03

Finding the Fourth Proportional to 13,251.80, 18,287.27 and 7,284.03

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Solution

The fourth proportional to 13,251.80, 18,287.27 and 7,284.03 is: 10,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.80 : 18,287.27 = 7,284.03 : x
  2. Step 2: Convert to fraction form
    13,251.80/18,287.27 = 7,284.03/x
  3. Step 3: Cross multiply
    13,251.80x = 18,287.27 × 7,284.03
  4. Step 4: Simplify right side
    13,251.80x = 133,204,945.62
  5. Step 5: Solve for x
    x = 133,204,945.62/13,251.80
  6. Step 6: Final answer
    x = 10,051.84

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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.