Home / 11,406.32-15,738.80-6,370.35

Finding the Fourth Proportional to 11,406.32, 15,738.80 and 6,370.35

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Solution

The fourth proportional to 11,406.32, 15,738.80 and 6,370.35 is: 8,790.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.32 : 15,738.80 = 6,370.35 : x
  2. Step 2: Convert to fraction form
    11,406.32/15,738.80 = 6,370.35/x
  3. Step 3: Cross multiply
    11,406.32x = 15,738.80 × 6,370.35
  4. Step 4: Simplify right side
    11,406.32x = 100,261,632.73
  5. Step 5: Solve for x
    x = 100,261,632.73/11,406.32
  6. Step 6: Final answer
    x = 8,790.01

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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.