Home / 15,742.72-23,607.78-6,971.68

Finding the Fourth Proportional to 15,742.72, 23,607.78 and 6,971.68

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Solution

The fourth proportional to 15,742.72, 23,607.78 and 6,971.68 is: 10,454.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742.72 : 23,607.78 = 6,971.68 : x
  2. Step 2: Convert to fraction form
    15,742.72/23,607.78 = 6,971.68/x
  3. Step 3: Cross multiply
    15,742.72x = 23,607.78 × 6,971.68
  4. Step 4: Simplify right side
    15,742.72x = 164,585,887.67
  5. Step 5: Solve for x
    x = 164,585,887.67/15,742.72
  6. Step 6: Final answer
    x = 10,454.73

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