Home / 9,271.15-13,882.61-7,786.96

Finding the Fourth Proportional to 9,271.15, 13,882.61 and 7,786.96

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Solution

The fourth proportional to 9,271.15, 13,882.61 and 7,786.96 is: 11,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,271.15 : 13,882.61 = 7,786.96 : x
  2. Step 2: Convert to fraction form
    9,271.15/13,882.61 = 7,786.96/x
  3. Step 3: Cross multiply
    9,271.15x = 13,882.61 × 7,786.96
  4. Step 4: Simplify right side
    9,271.15x = 108,103,313.53
  5. Step 5: Solve for x
    x = 108,103,313.53/9,271.15
  6. Step 6: Final answer
    x = 11,660.19

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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.