Home / 11,112.72-16,673.48-4,869.40

Finding the Fourth Proportional to 11,112.72, 16,673.48 and 4,869.40

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Solution

The fourth proportional to 11,112.72, 16,673.48 and 4,869.40 is: 7,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.72 : 16,673.48 = 4,869.40 : x
  2. Step 2: Convert to fraction form
    11,112.72/16,673.48 = 4,869.40/x
  3. Step 3: Cross multiply
    11,112.72x = 16,673.48 × 4,869.40
  4. Step 4: Simplify right side
    11,112.72x = 81,189,843.51
  5. Step 5: Solve for x
    x = 81,189,843.51/11,112.72
  6. Step 6: Final answer
    x = 7,306.03

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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.