Home / 9,190.73-13,775.16-5,286.94

Finding the Fourth Proportional to 9,190.73, 13,775.16 and 5,286.94

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Solution

The fourth proportional to 9,190.73, 13,775.16 and 5,286.94 is: 7,924.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.73 : 13,775.16 = 5,286.94 : x
  2. Step 2: Convert to fraction form
    9,190.73/13,775.16 = 5,286.94/x
  3. Step 3: Cross multiply
    9,190.73x = 13,775.16 × 5,286.94
  4. Step 4: Simplify right side
    9,190.73x = 72,828,429.80
  5. Step 5: Solve for x
    x = 72,828,429.80/9,190.73
  6. Step 6: Final answer
    x = 7,924.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.