Home / 11,431.46-17,147.23-7,507.52

Finding the Fourth Proportional to 11,431.46, 17,147.23 and 7,507.52

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Solution

The fourth proportional to 11,431.46, 17,147.23 and 7,507.52 is: 11,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431.46 : 17,147.23 = 7,507.52 : x
  2. Step 2: Convert to fraction form
    11,431.46/17,147.23 = 7,507.52/x
  3. Step 3: Cross multiply
    11,431.46x = 17,147.23 × 7,507.52
  4. Step 4: Simplify right side
    11,431.46x = 128,733,131.97
  5. Step 5: Solve for x
    x = 128,733,131.97/11,431.46
  6. Step 6: Final answer
    x = 11,261.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.