Home / 19,290.09-28,934.83-6,142.27

Finding the Fourth Proportional to 19,290.09, 28,934.83 and 6,142.27

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Solution

The fourth proportional to 19,290.09, 28,934.83 and 6,142.27 is: 9,213.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.09 : 28,934.83 = 6,142.27 : x
  2. Step 2: Convert to fraction form
    19,290.09/28,934.83 = 6,142.27/x
  3. Step 3: Cross multiply
    19,290.09x = 28,934.83 × 6,142.27
  4. Step 4: Simplify right side
    19,290.09x = 177,725,538.26
  5. Step 5: Solve for x
    x = 177,725,538.26/19,290.09
  6. Step 6: Final answer
    x = 9,213.31

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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.