Home / 20,195.64-30,291.29-7,048.26

Finding the Fourth Proportional to 20,195.64, 30,291.29 and 7,048.26

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Solution

The fourth proportional to 20,195.64, 30,291.29 and 7,048.26 is: 10,571.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.64 : 30,291.29 = 7,048.26 : x
  2. Step 2: Convert to fraction form
    20,195.64/30,291.29 = 7,048.26/x
  3. Step 3: Cross multiply
    20,195.64x = 30,291.29 × 7,048.26
  4. Step 4: Simplify right side
    20,195.64x = 213,500,887.66
  5. Step 5: Solve for x
    x = 213,500,887.66/20,195.64
  6. Step 6: Final answer
    x = 10,571.63

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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.