Home / 11,286.86-15,576.08-6,754.20

Finding the Fourth Proportional to 11,286.86, 15,576.08 and 6,754.20

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Solution

The fourth proportional to 11,286.86, 15,576.08 and 6,754.20 is: 9,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.86 : 15,576.08 = 6,754.20 : x
  2. Step 2: Convert to fraction form
    11,286.86/15,576.08 = 6,754.20/x
  3. Step 3: Cross multiply
    11,286.86x = 15,576.08 × 6,754.20
  4. Step 4: Simplify right side
    11,286.86x = 105,204,021.46
  5. Step 5: Solve for x
    x = 105,204,021.46/11,286.86
  6. Step 6: Final answer
    x = 9,320.93

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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.