Home / 18,336.75-25,305.26-9,953.79

Finding the Fourth Proportional to 18,336.75, 25,305.26 and 9,953.79

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Solution

The fourth proportional to 18,336.75, 25,305.26 and 9,953.79 is: 13,736.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.75 : 25,305.26 = 9,953.79 : x
  2. Step 2: Convert to fraction form
    18,336.75/25,305.26 = 9,953.79/x
  3. Step 3: Cross multiply
    18,336.75x = 25,305.26 × 9,953.79
  4. Step 4: Simplify right side
    18,336.75x = 251,883,194.17
  5. Step 5: Solve for x
    x = 251,883,194.17/18,336.75
  6. Step 6: Final answer
    x = 13,736.52

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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.