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Finding the Fourth Proportional to 10,987.53, 15,162.80 and 6,019.53

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Solution

The fourth proportional to 10,987.53, 15,162.80 and 6,019.53 is: 8,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.53 : 15,162.80 = 6,019.53 : x
  2. Step 2: Convert to fraction form
    10,987.53/15,162.80 = 6,019.53/x
  3. Step 3: Cross multiply
    10,987.53x = 15,162.80 × 6,019.53
  4. Step 4: Simplify right side
    10,987.53x = 91,272,899.39
  5. Step 5: Solve for x
    x = 91,272,899.39/10,987.53
  6. Step 6: Final answer
    x = 8,306.95

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