Home / 19,940.08-29,896.26-8,840.68

Finding the Fourth Proportional to 19,940.08, 29,896.26 and 8,840.68

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Solution

The fourth proportional to 19,940.08, 29,896.26 and 8,840.68 is: 13,254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.08 : 29,896.26 = 8,840.68 : x
  2. Step 2: Convert to fraction form
    19,940.08/29,896.26 = 8,840.68/x
  3. Step 3: Cross multiply
    19,940.08x = 29,896.26 × 8,840.68
  4. Step 4: Simplify right side
    19,940.08x = 264,303,267.86
  5. Step 5: Solve for x
    x = 264,303,267.86/19,940.08
  6. Step 6: Final answer
    x = 13,254.87

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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.