Home / 19,370.22-26,725.59-11,817.78

Finding the Fourth Proportional to 19,370.22, 26,725.59 and 11,817.78

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Solution

The fourth proportional to 19,370.22, 26,725.59 and 11,817.78 is: 16,305.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.22 : 26,725.59 = 11,817.78 : x
  2. Step 2: Convert to fraction form
    19,370.22/26,725.59 = 11,817.78/x
  3. Step 3: Cross multiply
    19,370.22x = 26,725.59 × 11,817.78
  4. Step 4: Simplify right side
    19,370.22x = 315,837,142.99
  5. Step 5: Solve for x
    x = 315,837,142.99/19,370.22
  6. Step 6: Final answer
    x = 16,305.29

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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.