Home / 9,640.08-14,458.88-3,399.84

Finding the Fourth Proportional to 9,640.08, 14,458.88 and 3,399.84

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Solution

The fourth proportional to 9,640.08, 14,458.88 and 3,399.84 is: 5,099.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,640.08 : 14,458.88 = 3,399.84 : x
  2. Step 2: Convert to fraction form
    9,640.08/14,458.88 = 3,399.84/x
  3. Step 3: Cross multiply
    9,640.08x = 14,458.88 × 3,399.84
  4. Step 4: Simplify right side
    9,640.08x = 49,157,878.58
  5. Step 5: Solve for x
    x = 49,157,878.58/9,640.08
  6. Step 6: Final answer
    x = 5,099.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.