Home / 23,999.36-33,120.63-13,388.99

Finding the Fourth Proportional to 23,999.36, 33,120.63 and 13,388.99

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Solution

The fourth proportional to 23,999.36, 33,120.63 and 13,388.99 is: 18,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,999.36 : 33,120.63 = 13,388.99 : x
  2. Step 2: Convert to fraction form
    23,999.36/33,120.63 = 13,388.99/x
  3. Step 3: Cross multiply
    23,999.36x = 33,120.63 × 13,388.99
  4. Step 4: Simplify right side
    23,999.36x = 443,451,618.26
  5. Step 5: Solve for x
    x = 443,451,618.26/23,999.36
  6. Step 6: Final answer
    x = 18,477.65

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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.