Home / 10,715.76-16,075.94-3,320.06

Finding the Fourth Proportional to 10,715.76, 16,075.94 and 3,320.06

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Solution

The fourth proportional to 10,715.76, 16,075.94 and 3,320.06 is: 4,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.76 : 16,075.94 = 3,320.06 : x
  2. Step 2: Convert to fraction form
    10,715.76/16,075.94 = 3,320.06/x
  3. Step 3: Cross multiply
    10,715.76x = 16,075.94 × 3,320.06
  4. Step 4: Simplify right side
    10,715.76x = 53,372,988.38
  5. Step 5: Solve for x
    x = 53,372,988.38/10,715.76
  6. Step 6: Final answer
    x = 4,980.79

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