Home / 9,399.63-14,100.39-3,478.08

Finding the Fourth Proportional to 9,399.63, 14,100.39 and 3,478.08

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Solution

The fourth proportional to 9,399.63, 14,100.39 and 3,478.08 is: 5,217.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,399.63 : 14,100.39 = 3,478.08 : x
  2. Step 2: Convert to fraction form
    9,399.63/14,100.39 = 3,478.08/x
  3. Step 3: Cross multiply
    9,399.63x = 14,100.39 × 3,478.08
  4. Step 4: Simplify right side
    9,399.63x = 49,042,284.45
  5. Step 5: Solve for x
    x = 49,042,284.45/9,399.63
  6. Step 6: Final answer
    x = 5,217.47

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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.