Home / 10,931.13-16,396.71-4,687.11

Finding the Fourth Proportional to 10,931.13, 16,396.71 and 4,687.11

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Solution

The fourth proportional to 10,931.13, 16,396.71 and 4,687.11 is: 7,030.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931.13 : 16,396.71 = 4,687.11 : x
  2. Step 2: Convert to fraction form
    10,931.13/16,396.71 = 4,687.11/x
  3. Step 3: Cross multiply
    10,931.13x = 16,396.71 × 4,687.11
  4. Step 4: Simplify right side
    10,931.13x = 76,853,183.41
  5. Step 5: Solve for x
    x = 76,853,183.41/10,931.13
  6. Step 6: Final answer
    x = 7,030.67

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