Home / 9,880.92-13,629.41-6,895.67

Finding the Fourth Proportional to 9,880.92, 13,629.41 and 6,895.67

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Solution

The fourth proportional to 9,880.92, 13,629.41 and 6,895.67 is: 9,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.92 : 13,629.41 = 6,895.67 : x
  2. Step 2: Convert to fraction form
    9,880.92/13,629.41 = 6,895.67/x
  3. Step 3: Cross multiply
    9,880.92x = 13,629.41 × 6,895.67
  4. Step 4: Simplify right side
    9,880.92x = 93,983,811.03
  5. Step 5: Solve for x
    x = 93,983,811.03/9,880.92
  6. Step 6: Final answer
    x = 9,511.65

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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.