Home / 10,676.21-16,012.49-5,054.40

Finding the Fourth Proportional to 10,676.21, 16,012.49 and 5,054.40

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Solution

The fourth proportional to 10,676.21, 16,012.49 and 5,054.40 is: 7,580.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,676.21 : 16,012.49 = 5,054.40 : x
  2. Step 2: Convert to fraction form
    10,676.21/16,012.49 = 5,054.40/x
  3. Step 3: Cross multiply
    10,676.21x = 16,012.49 × 5,054.40
  4. Step 4: Simplify right side
    10,676.21x = 80,933,504.18
  5. Step 5: Solve for x
    x = 80,933,504.18/10,676.21
  6. Step 6: Final answer
    x = 7,580.74

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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.