Home / 20,012.96-27,619.44-11,630.08

Finding the Fourth Proportional to 20,012.96, 27,619.44 and 11,630.08

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Solution

The fourth proportional to 20,012.96, 27,619.44 and 11,630.08 is: 16,050.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012.96 : 27,619.44 = 11,630.08 : x
  2. Step 2: Convert to fraction form
    20,012.96/27,619.44 = 11,630.08/x
  3. Step 3: Cross multiply
    20,012.96x = 27,619.44 × 11,630.08
  4. Step 4: Simplify right side
    20,012.96x = 321,216,296.76
  5. Step 5: Solve for x
    x = 321,216,296.76/20,012.96
  6. Step 6: Final answer
    x = 16,050.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.