Home / 19,077.03-26,321.49-11,907.72

Finding the Fourth Proportional to 19,077.03, 26,321.49 and 11,907.72

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Solution

The fourth proportional to 19,077.03, 26,321.49 and 11,907.72 is: 16,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077.03 : 26,321.49 = 11,907.72 : x
  2. Step 2: Convert to fraction form
    19,077.03/26,321.49 = 11,907.72/x
  3. Step 3: Cross multiply
    19,077.03x = 26,321.49 × 11,907.72
  4. Step 4: Simplify right side
    19,077.03x = 313,428,932.90
  5. Step 5: Solve for x
    x = 313,428,932.90/19,077.03
  6. Step 6: Final answer
    x = 16,429.65

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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.