Home / 12,631.81-18,964.13-9,712.17

Finding the Fourth Proportional to 12,631.81, 18,964.13 and 9,712.17

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Solution

The fourth proportional to 12,631.81, 18,964.13 and 9,712.17 is: 14,580.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631.81 : 18,964.13 = 9,712.17 : x
  2. Step 2: Convert to fraction form
    12,631.81/18,964.13 = 9,712.17/x
  3. Step 3: Cross multiply
    12,631.81x = 18,964.13 × 9,712.17
  4. Step 4: Simplify right side
    12,631.81x = 184,182,854.46
  5. Step 5: Solve for x
    x = 184,182,854.46/12,631.81
  6. Step 6: Final answer
    x = 14,580.88

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