Home / 13,726.06-18,941.85-7,438.43

Finding the Fourth Proportional to 13,726.06, 18,941.85 and 7,438.43

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Solution

The fourth proportional to 13,726.06, 18,941.85 and 7,438.43 is: 10,264.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.06 : 18,941.85 = 7,438.43 : x
  2. Step 2: Convert to fraction form
    13,726.06/18,941.85 = 7,438.43/x
  3. Step 3: Cross multiply
    13,726.06x = 18,941.85 × 7,438.43
  4. Step 4: Simplify right side
    13,726.06x = 140,897,672.65
  5. Step 5: Solve for x
    x = 140,897,672.65/13,726.06
  6. Step 6: Final answer
    x = 10,264.98

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