Home / 10,381.09-15,569.34-4,139.95

Finding the Fourth Proportional to 10,381.09, 15,569.34 and 4,139.95

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Solution

The fourth proportional to 10,381.09, 15,569.34 and 4,139.95 is: 6,209.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.09 : 15,569.34 = 4,139.95 : x
  2. Step 2: Convert to fraction form
    10,381.09/15,569.34 = 4,139.95/x
  3. Step 3: Cross multiply
    10,381.09x = 15,569.34 × 4,139.95
  4. Step 4: Simplify right side
    10,381.09x = 64,456,289.13
  5. Step 5: Solve for x
    x = 64,456,289.13/10,381.09
  6. Step 6: Final answer
    x = 6,209.01

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