Home / 11,494.46-15,860.43-6,779.67

Finding the Fourth Proportional to 11,494.46, 15,860.43 and 6,779.67

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Solution

The fourth proportional to 11,494.46, 15,860.43 and 6,779.67 is: 9,354.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,494.46 : 15,860.43 = 6,779.67 : x
  2. Step 2: Convert to fraction form
    11,494.46/15,860.43 = 6,779.67/x
  3. Step 3: Cross multiply
    11,494.46x = 15,860.43 × 6,779.67
  4. Step 4: Simplify right side
    11,494.46x = 107,528,481.46
  5. Step 5: Solve for x
    x = 107,528,481.46/11,494.46
  6. Step 6: Final answer
    x = 9,354.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.