Home / 9,940.24-13,717.32-6,403.48

Finding the Fourth Proportional to 9,940.24, 13,717.32 and 6,403.48

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Solution

The fourth proportional to 9,940.24, 13,717.32 and 6,403.48 is: 8,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.24 : 13,717.32 = 6,403.48 : x
  2. Step 2: Convert to fraction form
    9,940.24/13,717.32 = 6,403.48/x
  3. Step 3: Cross multiply
    9,940.24x = 13,717.32 × 6,403.48
  4. Step 4: Simplify right side
    9,940.24x = 87,838,584.27
  5. Step 5: Solve for x
    x = 87,838,584.27/9,940.24
  6. Step 6: Final answer
    x = 8,836.67

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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.