Home / 14,021.30-21,042.37-6,628.02

Finding the Fourth Proportional to 14,021.30, 21,042.37 and 6,628.02

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Solution

The fourth proportional to 14,021.30, 21,042.37 and 6,628.02 is: 9,946.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.30 : 21,042.37 = 6,628.02 : x
  2. Step 2: Convert to fraction form
    14,021.30/21,042.37 = 6,628.02/x
  3. Step 3: Cross multiply
    14,021.30x = 21,042.37 × 6,628.02
  4. Step 4: Simplify right side
    14,021.30x = 139,469,249.21
  5. Step 5: Solve for x
    x = 139,469,249.21/14,021.30
  6. Step 6: Final answer
    x = 9,946.96

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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.