Home / 11,287.16-15,576.16-6,251.68

Finding the Fourth Proportional to 11,287.16, 15,576.16 and 6,251.68

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Solution

The fourth proportional to 11,287.16, 15,576.16 and 6,251.68 is: 8,627.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.16 : 15,576.16 = 6,251.68 : x
  2. Step 2: Convert to fraction form
    11,287.16/15,576.16 = 6,251.68/x
  3. Step 3: Cross multiply
    11,287.16x = 15,576.16 × 6,251.68
  4. Step 4: Simplify right side
    11,287.16x = 97,377,167.95
  5. Step 5: Solve for x
    x = 97,377,167.95/11,287.16
  6. Step 6: Final answer
    x = 8,627.25

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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.