Home / 19,028.64-26,272.45-11,861.43

Finding the Fourth Proportional to 19,028.64, 26,272.45 and 11,861.43

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Solution

The fourth proportional to 19,028.64, 26,272.45 and 11,861.43 is: 16,376.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.64 : 26,272.45 = 11,861.43 : x
  2. Step 2: Convert to fraction form
    19,028.64/26,272.45 = 11,861.43/x
  3. Step 3: Cross multiply
    19,028.64x = 26,272.45 × 11,861.43
  4. Step 4: Simplify right side
    19,028.64x = 311,628,826.60
  5. Step 5: Solve for x
    x = 311,628,826.60/19,028.64
  6. Step 6: Final answer
    x = 16,376.83

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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.