Home / 19,804.80-27,336.48-11,426.88

Finding the Fourth Proportional to 19,804.80, 27,336.48 and 11,426.88

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Solution

The fourth proportional to 19,804.80, 27,336.48 and 11,426.88 is: 15,772.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,804.80 : 27,336.48 = 11,426.88 : x
  2. Step 2: Convert to fraction form
    19,804.80/27,336.48 = 11,426.88/x
  3. Step 3: Cross multiply
    19,804.80x = 27,336.48 × 11,426.88
  4. Step 4: Simplify right side
    19,804.80x = 312,370,676.58
  5. Step 5: Solve for x
    x = 312,370,676.58/19,804.80
  6. Step 6: Final answer
    x = 15,772.47

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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.