Home / 11,406.19-15,740.22-6,370.26

Finding the Fourth Proportional to 11,406.19, 15,740.22 and 6,370.26

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Solution

The fourth proportional to 11,406.19, 15,740.22 and 6,370.26 is: 8,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.19 : 15,740.22 = 6,370.26 : x
  2. Step 2: Convert to fraction form
    11,406.19/15,740.22 = 6,370.26/x
  3. Step 3: Cross multiply
    11,406.19x = 15,740.22 × 6,370.26
  4. Step 4: Simplify right side
    11,406.19x = 100,269,222.66
  5. Step 5: Solve for x
    x = 100,269,222.66/11,406.19
  6. Step 6: Final answer
    x = 8,790.78

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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.