Home / 13,160.31-18,163.26-8,058.84

Finding the Fourth Proportional to 13,160.31, 18,163.26 and 8,058.84

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Solution

The fourth proportional to 13,160.31, 18,163.26 and 8,058.84 is: 11,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.31 : 18,163.26 = 8,058.84 : x
  2. Step 2: Convert to fraction form
    13,160.31/18,163.26 = 8,058.84/x
  3. Step 3: Cross multiply
    13,160.31x = 18,163.26 × 8,058.84
  4. Step 4: Simplify right side
    13,160.31x = 146,374,806.22
  5. Step 5: Solve for x
    x = 146,374,806.22/13,160.31
  6. Step 6: Final answer
    x = 11,122.44

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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.