Home / 19,179.32-26,471.14-11,629.78

Finding the Fourth Proportional to 19,179.32, 26,471.14 and 11,629.78

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Solution

The fourth proportional to 19,179.32, 26,471.14 and 11,629.78 is: 16,051.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.32 : 26,471.14 = 11,629.78 : x
  2. Step 2: Convert to fraction form
    19,179.32/26,471.14 = 11,629.78/x
  3. Step 3: Cross multiply
    19,179.32x = 26,471.14 × 11,629.78
  4. Step 4: Simplify right side
    19,179.32x = 307,853,534.55
  5. Step 5: Solve for x
    x = 307,853,534.55/19,179.32
  6. Step 6: Final answer
    x = 16,051.33

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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.