Home / 12,531.32-17,293.48-7,751.96

Finding the Fourth Proportional to 12,531.32, 17,293.48 and 7,751.96

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Solution

The fourth proportional to 12,531.32, 17,293.48 and 7,751.96 is: 10,697.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.32 : 17,293.48 = 7,751.96 : x
  2. Step 2: Convert to fraction form
    12,531.32/17,293.48 = 7,751.96/x
  3. Step 3: Cross multiply
    12,531.32x = 17,293.48 × 7,751.96
  4. Step 4: Simplify right side
    12,531.32x = 134,058,365.22
  5. Step 5: Solve for x
    x = 134,058,365.22/12,531.32
  6. Step 6: Final answer
    x = 10,697.86

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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.