Home / 19,374.52-26,738.74-11,419.32

Finding the Fourth Proportional to 19,374.52, 26,738.74 and 11,419.32

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Solution

The fourth proportional to 19,374.52, 26,738.74 and 11,419.32 is: 15,759.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,374.52 : 26,738.74 = 11,419.32 : x
  2. Step 2: Convert to fraction form
    19,374.52/26,738.74 = 11,419.32/x
  3. Step 3: Cross multiply
    19,374.52x = 26,738.74 × 11,419.32
  4. Step 4: Simplify right side
    19,374.52x = 305,338,228.46
  5. Step 5: Solve for x
    x = 305,338,228.46/19,374.52
  6. Step 6: Final answer
    x = 15,759.78

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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.