Home / 19,911.63-29,850.71-13,317.69

Finding the Fourth Proportional to 19,911.63, 29,850.71 and 13,317.69

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Solution

The fourth proportional to 19,911.63, 29,850.71 and 13,317.69 is: 19,965.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.63 : 29,850.71 = 13,317.69 : x
  2. Step 2: Convert to fraction form
    19,911.63/29,850.71 = 13,317.69/x
  3. Step 3: Cross multiply
    19,911.63x = 29,850.71 × 13,317.69
  4. Step 4: Simplify right side
    19,911.63x = 397,542,435.47
  5. Step 5: Solve for x
    x = 397,542,435.47/19,911.63
  6. Step 6: Final answer
    x = 19,965.34

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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.