Home / 13,907.43-19,194.77-8,873.21

Finding the Fourth Proportional to 13,907.43, 19,194.77 and 8,873.21

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Solution

The fourth proportional to 13,907.43, 19,194.77 and 8,873.21 is: 12,246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907.43 : 19,194.77 = 8,873.21 : x
  2. Step 2: Convert to fraction form
    13,907.43/19,194.77 = 8,873.21/x
  3. Step 3: Cross multiply
    13,907.43x = 19,194.77 × 8,873.21
  4. Step 4: Simplify right side
    13,907.43x = 170,319,295.28
  5. Step 5: Solve for x
    x = 170,319,295.28/13,907.43
  6. Step 6: Final answer
    x = 12,246.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.