Home / 12,583.08-18,876.63-3,815.93

Finding the Fourth Proportional to 12,583.08, 18,876.63 and 3,815.93

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Solution

The fourth proportional to 12,583.08, 18,876.63 and 3,815.93 is: 5,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583.08 : 18,876.63 = 3,815.93 : x
  2. Step 2: Convert to fraction form
    12,583.08/18,876.63 = 3,815.93/x
  3. Step 3: Cross multiply
    12,583.08x = 18,876.63 × 3,815.93
  4. Step 4: Simplify right side
    12,583.08x = 72,031,804.33
  5. Step 5: Solve for x
    x = 72,031,804.33/12,583.08
  6. Step 6: Final answer
    x = 5,724.50

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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.