Home / 11,889.58-16,407.48-6,584.70

Finding the Fourth Proportional to 11,889.58, 16,407.48 and 6,584.70

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Solution

The fourth proportional to 11,889.58, 16,407.48 and 6,584.70 is: 9,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.58 : 16,407.48 = 6,584.70 : x
  2. Step 2: Convert to fraction form
    11,889.58/16,407.48 = 6,584.70/x
  3. Step 3: Cross multiply
    11,889.58x = 16,407.48 × 6,584.70
  4. Step 4: Simplify right side
    11,889.58x = 108,038,333.56
  5. Step 5: Solve for x
    x = 108,038,333.56/11,889.58
  6. Step 6: Final answer
    x = 9,086.81

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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.