Home / 13,159.13-19,738.76-3,925.13

Finding the Fourth Proportional to 13,159.13, 19,738.76 and 3,925.13

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Solution

The fourth proportional to 13,159.13, 19,738.76 and 3,925.13 is: 5,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.13 : 19,738.76 = 3,925.13 : x
  2. Step 2: Convert to fraction form
    13,159.13/19,738.76 = 3,925.13/x
  3. Step 3: Cross multiply
    13,159.13x = 19,738.76 × 3,925.13
  4. Step 4: Simplify right side
    13,159.13x = 77,477,080.72
  5. Step 5: Solve for x
    x = 77,477,080.72/13,159.13
  6. Step 6: Final answer
    x = 5,887.71

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