Home / 11,287.36-15,576.72-6,251.20

Finding the Fourth Proportional to 11,287.36, 15,576.72 and 6,251.20

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Solution

The fourth proportional to 11,287.36, 15,576.72 and 6,251.20 is: 8,626.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.36 : 15,576.72 = 6,251.20 : x
  2. Step 2: Convert to fraction form
    11,287.36/15,576.72 = 6,251.20/x
  3. Step 3: Cross multiply
    11,287.36x = 15,576.72 × 6,251.20
  4. Step 4: Simplify right side
    11,287.36x = 97,373,192.06
  5. Step 5: Solve for x
    x = 97,373,192.06/11,287.36
  6. Step 6: Final answer
    x = 8,626.75

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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.