Home / 11,189.26-15,441.60-6,409.96

Finding the Fourth Proportional to 11,189.26, 15,441.60 and 6,409.96

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Solution

The fourth proportional to 11,189.26, 15,441.60 and 6,409.96 is: 8,845.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.26 : 15,441.60 = 6,409.96 : x
  2. Step 2: Convert to fraction form
    11,189.26/15,441.60 = 6,409.96/x
  3. Step 3: Cross multiply
    11,189.26x = 15,441.60 × 6,409.96
  4. Step 4: Simplify right side
    11,189.26x = 98,980,038.34
  5. Step 5: Solve for x
    x = 98,980,038.34/11,189.26
  6. Step 6: Final answer
    x = 8,845.99

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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.