Home / 11,114.56-16,676.34-4,871.28

Finding the Fourth Proportional to 11,114.56, 16,676.34 and 4,871.28

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Solution

The fourth proportional to 11,114.56, 16,676.34 and 4,871.28 is: 7,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.56 : 16,676.34 = 4,871.28 : x
  2. Step 2: Convert to fraction form
    11,114.56/16,676.34 = 4,871.28/x
  3. Step 3: Cross multiply
    11,114.56x = 16,676.34 × 4,871.28
  4. Step 4: Simplify right side
    11,114.56x = 81,235,130.65
  5. Step 5: Solve for x
    x = 81,235,130.65/11,114.56
  6. Step 6: Final answer
    x = 7,308.89

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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.