Home / 19,194.57-28,802.79-6,717.28

Finding the Fourth Proportional to 19,194.57, 28,802.79 and 6,717.28

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Solution

The fourth proportional to 19,194.57, 28,802.79 and 6,717.28 is: 10,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.57 : 28,802.79 = 6,717.28 : x
  2. Step 2: Convert to fraction form
    19,194.57/28,802.79 = 6,717.28/x
  3. Step 3: Cross multiply
    19,194.57x = 28,802.79 × 6,717.28
  4. Step 4: Simplify right side
    19,194.57x = 193,476,387.21
  5. Step 5: Solve for x
    x = 193,476,387.21/19,194.57
  6. Step 6: Final answer
    x = 10,079.75

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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.