Home / 23,188.94-31,976.52-13,755.68

Finding the Fourth Proportional to 23,188.94, 31,976.52 and 13,755.68

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Solution

The fourth proportional to 23,188.94, 31,976.52 and 13,755.68 is: 18,968.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,188.94 : 31,976.52 = 13,755.68 : x
  2. Step 2: Convert to fraction form
    23,188.94/31,976.52 = 13,755.68/x
  3. Step 3: Cross multiply
    23,188.94x = 31,976.52 × 13,755.68
  4. Step 4: Simplify right side
    23,188.94x = 439,858,776.63
  5. Step 5: Solve for x
    x = 439,858,776.63/23,188.94
  6. Step 6: Final answer
    x = 18,968.47

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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.