Home / 18,864.44-28,296.15-6,384.38

Finding the Fourth Proportional to 18,864.44, 28,296.15 and 6,384.38

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Solution

The fourth proportional to 18,864.44, 28,296.15 and 6,384.38 is: 9,576.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.44 : 28,296.15 = 6,384.38 : x
  2. Step 2: Convert to fraction form
    18,864.44/28,296.15 = 6,384.38/x
  3. Step 3: Cross multiply
    18,864.44x = 28,296.15 × 6,384.38
  4. Step 4: Simplify right side
    18,864.44x = 180,653,374.14
  5. Step 5: Solve for x
    x = 180,653,374.14/18,864.44
  6. Step 6: Final answer
    x = 9,576.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.