Home / 11,287.30-15,576.06-6,251.72

Finding the Fourth Proportional to 11,287.30, 15,576.06 and 6,251.72

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Solution

The fourth proportional to 11,287.30, 15,576.06 and 6,251.72 is: 8,627.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.30 : 15,576.06 = 6,251.72 : x
  2. Step 2: Convert to fraction form
    11,287.30/15,576.06 = 6,251.72/x
  3. Step 3: Cross multiply
    11,287.30x = 15,576.06 × 6,251.72
  4. Step 4: Simplify right side
    11,287.30x = 97,377,165.82
  5. Step 5: Solve for x
    x = 97,377,165.82/11,287.30
  6. Step 6: Final answer
    x = 8,627.14

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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.