Home / 19,940.24-29,877.42-8,830.28

Finding the Fourth Proportional to 19,940.24, 29,877.42 and 8,830.28

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Solution

The fourth proportional to 19,940.24, 29,877.42 and 8,830.28 is: 13,230.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.24 : 29,877.42 = 8,830.28 : x
  2. Step 2: Convert to fraction form
    19,940.24/29,877.42 = 8,830.28/x
  3. Step 3: Cross multiply
    19,940.24x = 29,877.42 × 8,830.28
  4. Step 4: Simplify right side
    19,940.24x = 263,825,984.28
  5. Step 5: Solve for x
    x = 263,825,984.28/19,940.24
  6. Step 6: Final answer
    x = 13,230.83

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1.5x scale

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.