Home / 19,189.66-28,792.83-6,718.63

Finding the Fourth Proportional to 19,189.66, 28,792.83 and 6,718.63

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Solution

The fourth proportional to 19,189.66, 28,792.83 and 6,718.63 is: 10,080.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.66 : 28,792.83 = 6,718.63 : x
  2. Step 2: Convert to fraction form
    19,189.66/28,792.83 = 6,718.63/x
  3. Step 3: Cross multiply
    19,189.66x = 28,792.83 × 6,718.63
  4. Step 4: Simplify right side
    19,189.66x = 193,448,371.42
  5. Step 5: Solve for x
    x = 193,448,371.42/19,189.66
  6. Step 6: Final answer
    x = 10,080.86

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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.