Home / 11,287.44-15,573.96-6,319.44

Finding the Fourth Proportional to 11,287.44, 15,573.96 and 6,319.44

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Solution

The fourth proportional to 11,287.44, 15,573.96 and 6,319.44 is: 8,719.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.44 : 15,573.96 = 6,319.44 : x
  2. Step 2: Convert to fraction form
    11,287.44/15,573.96 = 6,319.44/x
  3. Step 3: Cross multiply
    11,287.44x = 15,573.96 × 6,319.44
  4. Step 4: Simplify right side
    11,287.44x = 98,418,705.78
  5. Step 5: Solve for x
    x = 98,418,705.78/11,287.44
  6. Step 6: Final answer
    x = 8,719.31

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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.