Home / 13,252.72-18,288.96-7,284.64

Finding the Fourth Proportional to 13,252.72, 18,288.96 and 7,284.64

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Solution

The fourth proportional to 13,252.72, 18,288.96 and 7,284.64 is: 10,052.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.72 : 18,288.96 = 7,284.64 : x
  2. Step 2: Convert to fraction form
    13,252.72/18,288.96 = 7,284.64/x
  3. Step 3: Cross multiply
    13,252.72x = 18,288.96 × 7,284.64
  4. Step 4: Simplify right side
    13,252.72x = 133,228,489.57
  5. Step 5: Solve for x
    x = 133,228,489.57/13,252.72
  6. Step 6: Final answer
    x = 10,052.92

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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.