Home / 11,117.84-16,676.75-5,271.26

Finding the Fourth Proportional to 11,117.84, 16,676.75 and 5,271.26

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Solution

The fourth proportional to 11,117.84, 16,676.75 and 5,271.26 is: 7,906.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.84 : 16,676.75 = 5,271.26 : x
  2. Step 2: Convert to fraction form
    11,117.84/16,676.75 = 5,271.26/x
  3. Step 3: Cross multiply
    11,117.84x = 16,676.75 × 5,271.26
  4. Step 4: Simplify right side
    11,117.84x = 87,907,415.00
  5. Step 5: Solve for x
    x = 87,907,415.00/11,117.84
  6. Step 6: Final answer
    x = 7,906.88

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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.