Home / 11,287.46-15,576.42-6,251.36

Finding the Fourth Proportional to 11,287.46, 15,576.42 and 6,251.36

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Solution

The fourth proportional to 11,287.46, 15,576.42 and 6,251.36 is: 8,626.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.46 : 15,576.42 = 6,251.36 : x
  2. Step 2: Convert to fraction form
    11,287.46/15,576.42 = 6,251.36/x
  3. Step 3: Cross multiply
    11,287.46x = 15,576.42 × 6,251.36
  4. Step 4: Simplify right side
    11,287.46x = 97,373,808.93
  5. Step 5: Solve for x
    x = 97,373,808.93/11,287.46
  6. Step 6: Final answer
    x = 8,626.72

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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.