Home / 19,703.03-27,189.14-11,203.97

Finding the Fourth Proportional to 19,703.03, 27,189.14 and 11,203.97

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Solution

The fourth proportional to 19,703.03, 27,189.14 and 11,203.97 is: 15,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,703.03 : 27,189.14 = 11,203.97 : x
  2. Step 2: Convert to fraction form
    19,703.03/27,189.14 = 11,203.97/x
  3. Step 3: Cross multiply
    19,703.03x = 27,189.14 × 11,203.97
  4. Step 4: Simplify right side
    19,703.03x = 304,626,116.92
  5. Step 5: Solve for x
    x = 304,626,116.92/19,703.03
  6. Step 6: Final answer
    x = 15,460.88

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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.