Home / 19,783.44-29,676.07-11,011.75

Finding the Fourth Proportional to 19,783.44, 29,676.07 and 11,011.75

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Solution

The fourth proportional to 19,783.44, 29,676.07 and 11,011.75 is: 16,518.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783.44 : 29,676.07 = 11,011.75 : x
  2. Step 2: Convert to fraction form
    19,783.44/29,676.07 = 11,011.75/x
  3. Step 3: Cross multiply
    19,783.44x = 29,676.07 × 11,011.75
  4. Step 4: Simplify right side
    19,783.44x = 326,785,403.40
  5. Step 5: Solve for x
    x = 326,785,403.40/19,783.44
  6. Step 6: Final answer
    x = 16,518.13

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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.