Home / 19,010.70-26,230.59-11,940.30

Finding the Fourth Proportional to 19,010.70, 26,230.59 and 11,940.30

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Solution

The fourth proportional to 19,010.70, 26,230.59 and 11,940.30 is: 16,474.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.70 : 26,230.59 = 11,940.30 : x
  2. Step 2: Convert to fraction form
    19,010.70/26,230.59 = 11,940.30/x
  3. Step 3: Cross multiply
    19,010.70x = 26,230.59 × 11,940.30
  4. Step 4: Simplify right side
    19,010.70x = 313,201,113.78
  5. Step 5: Solve for x
    x = 313,201,113.78/19,010.70
  6. Step 6: Final answer
    x = 16,474.99

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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.