Home / 12,432.38-18,648.45-5,036.72

Finding the Fourth Proportional to 12,432.38, 18,648.45 and 5,036.72

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Solution

The fourth proportional to 12,432.38, 18,648.45 and 5,036.72 is: 7,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.38 : 18,648.45 = 5,036.72 : x
  2. Step 2: Convert to fraction form
    12,432.38/18,648.45 = 5,036.72/x
  3. Step 3: Cross multiply
    12,432.38x = 18,648.45 × 5,036.72
  4. Step 4: Simplify right side
    12,432.38x = 93,926,927.84
  5. Step 5: Solve for x
    x = 93,926,927.84/12,432.38
  6. Step 6: Final answer
    x = 7,555.03

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