Home / 11,281.31-16,928.33-4,266.08

Finding the Fourth Proportional to 11,281.31, 16,928.33 and 4,266.08

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Solution

The fourth proportional to 11,281.31, 16,928.33 and 4,266.08 is: 6,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.31 : 16,928.33 = 4,266.08 : x
  2. Step 2: Convert to fraction form
    11,281.31/16,928.33 = 4,266.08/x
  3. Step 3: Cross multiply
    11,281.31x = 16,928.33 × 4,266.08
  4. Step 4: Simplify right side
    11,281.31x = 72,217,610.05
  5. Step 5: Solve for x
    x = 72,217,610.05/11,281.31
  6. Step 6: Final answer
    x = 6,401.53

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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.