Home / 11,708.70-16,157.18-6,403.41

Finding the Fourth Proportional to 11,708.70, 16,157.18 and 6,403.41

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Solution

The fourth proportional to 11,708.70, 16,157.18 and 6,403.41 is: 8,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.70 : 16,157.18 = 6,403.41 : x
  2. Step 2: Convert to fraction form
    11,708.70/16,157.18 = 6,403.41/x
  3. Step 3: Cross multiply
    11,708.70x = 16,157.18 × 6,403.41
  4. Step 4: Simplify right side
    11,708.70x = 103,461,047.98
  5. Step 5: Solve for x
    x = 103,461,047.98/11,708.70
  6. Step 6: Final answer
    x = 8,836.25

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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.