Home / 19,866.47-29,771.99-14,930.33

Finding the Fourth Proportional to 19,866.47, 29,771.99 and 14,930.33

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Solution

The fourth proportional to 19,866.47, 29,771.99 and 14,930.33 is: 22,374.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.47 : 29,771.99 = 14,930.33 : x
  2. Step 2: Convert to fraction form
    19,866.47/29,771.99 = 14,930.33/x
  3. Step 3: Cross multiply
    19,866.47x = 29,771.99 × 14,930.33
  4. Step 4: Simplify right side
    19,866.47x = 444,505,467.93
  5. Step 5: Solve for x
    x = 444,505,467.93/19,866.47
  6. Step 6: Final answer
    x = 22,374.66

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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.