Home / 13,251.38-18,286.91-7,283.00

Finding the Fourth Proportional to 13,251.38, 18,286.91 and 7,283.00

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Solution

The fourth proportional to 13,251.38, 18,286.91 and 7,283.00 is: 10,050.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.38 : 18,286.91 = 7,283.00 : x
  2. Step 2: Convert to fraction form
    13,251.38/18,286.91 = 7,283.00/x
  3. Step 3: Cross multiply
    13,251.38x = 18,286.91 × 7,283.00
  4. Step 4: Simplify right side
    13,251.38x = 133,183,437.68
  5. Step 5: Solve for x
    x = 133,183,437.68/13,251.38
  6. Step 6: Final answer
    x = 10,050.54

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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.