Home / 11,378.97-15,704.01-6,903.86

Finding the Fourth Proportional to 11,378.97, 15,704.01 and 6,903.86

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Solution

The fourth proportional to 11,378.97, 15,704.01 and 6,903.86 is: 9,527.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.97 : 15,704.01 = 6,903.86 : x
  2. Step 2: Convert to fraction form
    11,378.97/15,704.01 = 6,903.86/x
  3. Step 3: Cross multiply
    11,378.97x = 15,704.01 × 6,903.86
  4. Step 4: Simplify right side
    11,378.97x = 108,418,207.96
  5. Step 5: Solve for x
    x = 108,418,207.96/11,378.97
  6. Step 6: Final answer
    x = 9,527.95

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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.