Home / 8,213.64-12,268.03-7,432.44

Finding the Fourth Proportional to 8,213.64, 12,268.03 and 7,432.44

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Solution

The fourth proportional to 8,213.64, 12,268.03 and 7,432.44 is: 11,101.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.64 : 12,268.03 = 7,432.44 : x
  2. Step 2: Convert to fraction form
    8,213.64/12,268.03 = 7,432.44/x
  3. Step 3: Cross multiply
    8,213.64x = 12,268.03 × 7,432.44
  4. Step 4: Simplify right side
    8,213.64x = 91,181,396.89
  5. Step 5: Solve for x
    x = 91,181,396.89/8,213.64
  6. Step 6: Final answer
    x = 11,101.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.