Home / 13,326.70-18,383.14-8,610.98

Finding the Fourth Proportional to 13,326.70, 18,383.14 and 8,610.98

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Solution

The fourth proportional to 13,326.70, 18,383.14 and 8,610.98 is: 11,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.70 : 18,383.14 = 8,610.98 : x
  2. Step 2: Convert to fraction form
    13,326.70/18,383.14 = 8,610.98/x
  3. Step 3: Cross multiply
    13,326.70x = 18,383.14 × 8,610.98
  4. Step 4: Simplify right side
    13,326.70x = 158,296,912.72
  5. Step 5: Solve for x
    x = 158,296,912.72/13,326.70
  6. Step 6: Final answer
    x = 11,878.18

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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.