Home / 11,912.13-16,427.98-7,436.29

Finding the Fourth Proportional to 11,912.13, 16,427.98 and 7,436.29

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Solution

The fourth proportional to 11,912.13, 16,427.98 and 7,436.29 is: 10,255.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912.13 : 16,427.98 = 7,436.29 : x
  2. Step 2: Convert to fraction form
    11,912.13/16,427.98 = 7,436.29/x
  3. Step 3: Cross multiply
    11,912.13x = 16,427.98 × 7,436.29
  4. Step 4: Simplify right side
    11,912.13x = 122,163,186.21
  5. Step 5: Solve for x
    x = 122,163,186.21/11,912.13
  6. Step 6: Final answer
    x = 10,255.36

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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.