Home / 11,858.22-17,785.17-5,283.18

Finding the Fourth Proportional to 11,858.22, 17,785.17 and 5,283.18

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Solution

The fourth proportional to 11,858.22, 17,785.17 and 5,283.18 is: 7,923.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.22 : 17,785.17 = 5,283.18 : x
  2. Step 2: Convert to fraction form
    11,858.22/17,785.17 = 5,283.18/x
  3. Step 3: Cross multiply
    11,858.22x = 17,785.17 × 5,283.18
  4. Step 4: Simplify right side
    11,858.22x = 93,962,254.44
  5. Step 5: Solve for x
    x = 93,962,254.44/11,858.22
  6. Step 6: Final answer
    x = 7,923.81

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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.