Home / 19,081.89-26,327.62-12,367.80

Finding the Fourth Proportional to 19,081.89, 26,327.62 and 12,367.80

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Solution

The fourth proportional to 19,081.89, 26,327.62 and 12,367.80 is: 17,064.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.89 : 26,327.62 = 12,367.80 : x
  2. Step 2: Convert to fraction form
    19,081.89/26,327.62 = 12,367.80/x
  3. Step 3: Cross multiply
    19,081.89x = 26,327.62 × 12,367.80
  4. Step 4: Simplify right side
    19,081.89x = 325,614,576.08
  5. Step 5: Solve for x
    x = 325,614,576.08/19,081.89
  6. Step 6: Final answer
    x = 17,064.07

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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.