Home / 19,040.98-26,279.46-11,872.07

Finding the Fourth Proportional to 19,040.98, 26,279.46 and 11,872.07

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Solution

The fourth proportional to 19,040.98, 26,279.46 and 11,872.07 is: 16,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.98 : 26,279.46 = 11,872.07 : x
  2. Step 2: Convert to fraction form
    19,040.98/26,279.46 = 11,872.07/x
  3. Step 3: Cross multiply
    19,040.98x = 26,279.46 × 11,872.07
  4. Step 4: Simplify right side
    19,040.98x = 311,991,397.92
  5. Step 5: Solve for x
    x = 311,991,397.92/19,040.98
  6. Step 6: Final answer
    x = 16,385.26

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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.