Home / 19,655.58-27,120.48-11,696.25

Finding the Fourth Proportional to 19,655.58, 27,120.48 and 11,696.25

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Solution

The fourth proportional to 19,655.58, 27,120.48 and 11,696.25 is: 16,138.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.58 : 27,120.48 = 11,696.25 : x
  2. Step 2: Convert to fraction form
    19,655.58/27,120.48 = 11,696.25/x
  3. Step 3: Cross multiply
    19,655.58x = 27,120.48 × 11,696.25
  4. Step 4: Simplify right side
    19,655.58x = 317,207,914.20
  5. Step 5: Solve for x
    x = 317,207,914.20/19,655.58
  6. Step 6: Final answer
    x = 16,138.31

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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.