Home / 19,784.26-27,304.48-11,288.49

Finding the Fourth Proportional to 19,784.26, 27,304.48 and 11,288.49

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Solution

The fourth proportional to 19,784.26, 27,304.48 and 11,288.49 is: 15,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.26 : 27,304.48 = 11,288.49 : x
  2. Step 2: Convert to fraction form
    19,784.26/27,304.48 = 11,288.49/x
  3. Step 3: Cross multiply
    19,784.26x = 27,304.48 × 11,288.49
  4. Step 4: Simplify right side
    19,784.26x = 308,226,349.44
  5. Step 5: Solve for x
    x = 308,226,349.44/19,784.26
  6. Step 6: Final answer
    x = 15,579.37

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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.