Home / 13,252.50-18,288.87-7,284.27

Finding the Fourth Proportional to 13,252.50, 18,288.87 and 7,284.27

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Solution

The fourth proportional to 13,252.50, 18,288.87 and 7,284.27 is: 10,052.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.50 : 18,288.87 = 7,284.27 : x
  2. Step 2: Convert to fraction form
    13,252.50/18,288.87 = 7,284.27/x
  3. Step 3: Cross multiply
    13,252.50x = 18,288.87 × 7,284.27
  4. Step 4: Simplify right side
    13,252.50x = 133,221,067.07
  5. Step 5: Solve for x
    x = 133,221,067.07/13,252.50
  6. Step 6: Final answer
    x = 10,052.52

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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.