Home / 11,708.42-16,157.70-6,403.32

Finding the Fourth Proportional to 11,708.42, 16,157.70 and 6,403.32

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Solution

The fourth proportional to 11,708.42, 16,157.70 and 6,403.32 is: 8,836.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.42 : 16,157.70 = 6,403.32 : x
  2. Step 2: Convert to fraction form
    11,708.42/16,157.70 = 6,403.32/x
  3. Step 3: Cross multiply
    11,708.42x = 16,157.70 × 6,403.32
  4. Step 4: Simplify right side
    11,708.42x = 103,462,923.56
  5. Step 5: Solve for x
    x = 103,462,923.56/11,708.42
  6. Step 6: Final answer
    x = 8,836.63

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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.