Home / 19,120.32-26,371.44-13,832.64

Finding the Fourth Proportional to 19,120.32, 26,371.44 and 13,832.64

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Solution

The fourth proportional to 19,120.32, 26,371.44 and 13,832.64 is: 19,078.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.32 : 26,371.44 = 13,832.64 : x
  2. Step 2: Convert to fraction form
    19,120.32/26,371.44 = 13,832.64/x
  3. Step 3: Cross multiply
    19,120.32x = 26,371.44 × 13,832.64
  4. Step 4: Simplify right side
    19,120.32x = 364,786,635.80
  5. Step 5: Solve for x
    x = 364,786,635.80/19,120.32
  6. Step 6: Final answer
    x = 19,078.48

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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.