Home / 13,342.36-18,409.26-8,625.73

Finding the Fourth Proportional to 13,342.36, 18,409.26 and 8,625.73

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Solution

The fourth proportional to 13,342.36, 18,409.26 and 8,625.73 is: 11,901.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.36 : 18,409.26 = 8,625.73 : x
  2. Step 2: Convert to fraction form
    13,342.36/18,409.26 = 8,625.73/x
  3. Step 3: Cross multiply
    13,342.36x = 18,409.26 × 8,625.73
  4. Step 4: Simplify right side
    13,342.36x = 158,793,306.26
  5. Step 5: Solve for x
    x = 158,793,306.26/13,342.36
  6. Step 6: Final answer
    x = 11,901.44

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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.