Home / 11,406.24-15,740.94-6,370.32

Finding the Fourth Proportional to 11,406.24, 15,740.94 and 6,370.32

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Solution

The fourth proportional to 11,406.24, 15,740.94 and 6,370.32 is: 8,791.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.24 : 15,740.94 = 6,370.32 : x
  2. Step 2: Convert to fraction form
    11,406.24/15,740.94 = 6,370.32/x
  3. Step 3: Cross multiply
    11,406.24x = 15,740.94 × 6,370.32
  4. Step 4: Simplify right side
    11,406.24x = 100,274,824.90
  5. Step 5: Solve for x
    x = 100,274,824.90/11,406.24
  6. Step 6: Final answer
    x = 8,791.23

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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.