Home / 11,735.71-16,194.66-6,430.42

Finding the Fourth Proportional to 11,735.71, 16,194.66 and 6,430.42

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Solution

The fourth proportional to 11,735.71, 16,194.66 and 6,430.42 is: 8,873.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,735.71 : 16,194.66 = 6,430.42 : x
  2. Step 2: Convert to fraction form
    11,735.71/16,194.66 = 6,430.42/x
  3. Step 3: Cross multiply
    11,735.71x = 16,194.66 × 6,430.42
  4. Step 4: Simplify right side
    11,735.71x = 104,138,465.56
  5. Step 5: Solve for x
    x = 104,138,465.56/11,735.71
  6. Step 6: Final answer
    x = 8,873.64

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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.