Home / 11,084.67-15,295.46-6,779.92

Finding the Fourth Proportional to 11,084.67, 15,295.46 and 6,779.92

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Solution

The fourth proportional to 11,084.67, 15,295.46 and 6,779.92 is: 9,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,084.67 : 15,295.46 = 6,779.92 : x
  2. Step 2: Convert to fraction form
    11,084.67/15,295.46 = 6,779.92/x
  3. Step 3: Cross multiply
    11,084.67x = 15,295.46 × 6,779.92
  4. Step 4: Simplify right side
    11,084.67x = 103,701,995.16
  5. Step 5: Solve for x
    x = 103,701,995.16/11,084.67
  6. Step 6: Final answer
    x = 9,355.44

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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.