Home / 19,240.52-28,893.72-11,888.60

Finding the Fourth Proportional to 19,240.52, 28,893.72 and 11,888.60

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Solution

The fourth proportional to 19,240.52, 28,893.72 and 11,888.60 is: 17,853.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.52 : 28,893.72 = 11,888.60 : x
  2. Step 2: Convert to fraction form
    19,240.52/28,893.72 = 11,888.60/x
  3. Step 3: Cross multiply
    19,240.52x = 28,893.72 × 11,888.60
  4. Step 4: Simplify right side
    19,240.52x = 343,505,879.59
  5. Step 5: Solve for x
    x = 343,505,879.59/19,240.52
  6. Step 6: Final answer
    x = 17,853.25

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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.