Home / 11,287.32-15,576.63-6,251.63

Finding the Fourth Proportional to 11,287.32, 15,576.63 and 6,251.63

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Solution

The fourth proportional to 11,287.32, 15,576.63 and 6,251.63 is: 8,627.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.32 : 15,576.63 = 6,251.63 : x
  2. Step 2: Convert to fraction form
    11,287.32/15,576.63 = 6,251.63/x
  3. Step 3: Cross multiply
    11,287.32x = 15,576.63 × 6,251.63
  4. Step 4: Simplify right side
    11,287.32x = 97,379,249.52
  5. Step 5: Solve for x
    x = 97,379,249.52/11,287.32
  6. Step 6: Final answer
    x = 8,627.31

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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.