Home / 19,309.33-28,963.03-11,308.59

Finding the Fourth Proportional to 19,309.33, 28,963.03 and 11,308.59

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Solution

The fourth proportional to 19,309.33, 28,963.03 and 11,308.59 is: 16,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.33 : 28,963.03 = 11,308.59 : x
  2. Step 2: Convert to fraction form
    19,309.33/28,963.03 = 11,308.59/x
  3. Step 3: Cross multiply
    19,309.33x = 28,963.03 × 11,308.59
  4. Step 4: Simplify right side
    19,309.33x = 327,531,221.18
  5. Step 5: Solve for x
    x = 327,531,221.18/19,309.33
  6. Step 6: Final answer
    x = 16,962.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.