Home / 19,252.89-28,886.49-11,771.80

Finding the Fourth Proportional to 19,252.89, 28,886.49 and 11,771.80

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Solution

The fourth proportional to 19,252.89, 28,886.49 and 11,771.80 is: 17,662.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,252.89 : 28,886.49 = 11,771.80 : x
  2. Step 2: Convert to fraction form
    19,252.89/28,886.49 = 11,771.80/x
  3. Step 3: Cross multiply
    19,252.89x = 28,886.49 × 11,771.80
  4. Step 4: Simplify right side
    19,252.89x = 340,045,910.77
  5. Step 5: Solve for x
    x = 340,045,910.77/19,252.89
  6. Step 6: Final answer
    x = 17,662.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.