Home / 20,322.26-30,484.74-7,842.44

Finding the Fourth Proportional to 20,322.26, 30,484.74 and 7,842.44

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Solution

The fourth proportional to 20,322.26, 30,484.74 and 7,842.44 is: 11,764.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322.26 : 30,484.74 = 7,842.44 : x
  2. Step 2: Convert to fraction form
    20,322.26/30,484.74 = 7,842.44/x
  3. Step 3: Cross multiply
    20,322.26x = 30,484.74 × 7,842.44
  4. Step 4: Simplify right side
    20,322.26x = 239,074,744.37
  5. Step 5: Solve for x
    x = 239,074,744.37/20,322.26
  6. Step 6: Final answer
    x = 11,764.18

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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.