Home / 19,370.19-26,736.71-16,745.79

Finding the Fourth Proportional to 19,370.19, 26,736.71 and 16,745.79

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Solution

The fourth proportional to 19,370.19, 26,736.71 and 16,745.79 is: 23,114.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.19 : 26,736.71 = 16,745.79 : x
  2. Step 2: Convert to fraction form
    19,370.19/26,736.71 = 16,745.79/x
  3. Step 3: Cross multiply
    19,370.19x = 26,736.71 × 16,745.79
  4. Step 4: Simplify right side
    19,370.19x = 447,727,330.95
  5. Step 5: Solve for x
    x = 447,727,330.95/19,370.19
  6. Step 6: Final answer
    x = 23,114.25

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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.