Home / 14,007.39-21,004.92-4,147.44

Finding the Fourth Proportional to 14,007.39, 21,004.92 and 4,147.44

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Solution

The fourth proportional to 14,007.39, 21,004.92 and 4,147.44 is: 6,219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.39 : 21,004.92 = 4,147.44 : x
  2. Step 2: Convert to fraction form
    14,007.39/21,004.92 = 4,147.44/x
  3. Step 3: Cross multiply
    14,007.39x = 21,004.92 × 4,147.44
  4. Step 4: Simplify right side
    14,007.39x = 87,116,645.40
  5. Step 5: Solve for x
    x = 87,116,645.40/14,007.39
  6. Step 6: Final answer
    x = 6,219.33

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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.