Home / 12,896.93-19,345.79-4,576.81

Finding the Fourth Proportional to 12,896.93, 19,345.79 and 4,576.81

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Solution

The fourth proportional to 12,896.93, 19,345.79 and 4,576.81 is: 6,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.93 : 19,345.79 = 4,576.81 : x
  2. Step 2: Convert to fraction form
    12,896.93/19,345.79 = 4,576.81/x
  3. Step 3: Cross multiply
    12,896.93x = 19,345.79 × 4,576.81
  4. Step 4: Simplify right side
    12,896.93x = 88,541,968.21
  5. Step 5: Solve for x
    x = 88,541,968.21/12,896.93
  6. Step 6: Final answer
    x = 6,865.35

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Why These Related Problems?

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