Home / 19,964.58-27,550.52-11,012.08

Finding the Fourth Proportional to 19,964.58, 27,550.52 and 11,012.08

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Solution

The fourth proportional to 19,964.58, 27,550.52 and 11,012.08 is: 15,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.58 : 27,550.52 = 11,012.08 : x
  2. Step 2: Convert to fraction form
    19,964.58/27,550.52 = 11,012.08/x
  3. Step 3: Cross multiply
    19,964.58x = 27,550.52 × 11,012.08
  4. Step 4: Simplify right side
    19,964.58x = 303,388,530.28
  5. Step 5: Solve for x
    x = 303,388,530.28/19,964.58
  6. Step 6: Final answer
    x = 15,196.34

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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.