Home / 15,788.19-21,786.32-10,112.93

Finding the Fourth Proportional to 15,788.19, 21,786.32 and 10,112.93

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Solution

The fourth proportional to 15,788.19, 21,786.32 and 10,112.93 is: 13,954.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788.19 : 21,786.32 = 10,112.93 : x
  2. Step 2: Convert to fraction form
    15,788.19/21,786.32 = 10,112.93/x
  3. Step 3: Cross multiply
    15,788.19x = 21,786.32 × 10,112.93
  4. Step 4: Simplify right side
    15,788.19x = 220,323,445.47
  5. Step 5: Solve for x
    x = 220,323,445.47/15,788.19
  6. Step 6: Final answer
    x = 13,954.95

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