Home / 11,287.59-15,576.66-6,251.70

Finding the Fourth Proportional to 11,287.59, 15,576.66 and 6,251.70

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Solution

The fourth proportional to 11,287.59, 15,576.66 and 6,251.70 is: 8,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.59 : 15,576.66 = 6,251.70 : x
  2. Step 2: Convert to fraction form
    11,287.59/15,576.66 = 6,251.70/x
  3. Step 3: Cross multiply
    11,287.59x = 15,576.66 × 6,251.70
  4. Step 4: Simplify right side
    11,287.59x = 97,380,605.32
  5. Step 5: Solve for x
    x = 97,380,605.32/11,287.59
  6. Step 6: Final answer
    x = 8,627.23

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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.