Home / 11,821.52-16,312.70-6,785.64

Finding the Fourth Proportional to 11,821.52, 16,312.70 and 6,785.64

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Solution

The fourth proportional to 11,821.52, 16,312.70 and 6,785.64 is: 9,363.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.52 : 16,312.70 = 6,785.64 : x
  2. Step 2: Convert to fraction form
    11,821.52/16,312.70 = 6,785.64/x
  3. Step 3: Cross multiply
    11,821.52x = 16,312.70 × 6,785.64
  4. Step 4: Simplify right side
    11,821.52x = 110,692,075.70
  5. Step 5: Solve for x
    x = 110,692,075.70/11,821.52
  6. Step 6: Final answer
    x = 9,363.61

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