Home / 15,991.05-23,986.63-4,897.70

Finding the Fourth Proportional to 15,991.05, 23,986.63 and 4,897.70

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Solution

The fourth proportional to 15,991.05, 23,986.63 and 4,897.70 is: 7,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991.05 : 23,986.63 = 4,897.70 : x
  2. Step 2: Convert to fraction form
    15,991.05/23,986.63 = 4,897.70/x
  3. Step 3: Cross multiply
    15,991.05x = 23,986.63 × 4,897.70
  4. Step 4: Simplify right side
    15,991.05x = 117,479,197.82
  5. Step 5: Solve for x
    x = 117,479,197.82/15,991.05
  6. Step 6: Final answer
    x = 7,346.56

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