Home / 19,422.48-26,774.49-13,739.73

Finding the Fourth Proportional to 19,422.48, 26,774.49 and 13,739.73

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Solution

The fourth proportional to 19,422.48, 26,774.49 and 13,739.73 is: 18,940.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.48 : 26,774.49 = 13,739.73 : x
  2. Step 2: Convert to fraction form
    19,422.48/26,774.49 = 13,739.73/x
  3. Step 3: Cross multiply
    19,422.48x = 26,774.49 × 13,739.73
  4. Step 4: Simplify right side
    19,422.48x = 367,874,263.49
  5. Step 5: Solve for x
    x = 367,874,263.49/19,422.48
  6. Step 6: Final answer
    x = 18,940.64

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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.