Home / 14,209.04-21,313.56-8,091.92

Finding the Fourth Proportional to 14,209.04, 21,313.56 and 8,091.92

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Solution

The fourth proportional to 14,209.04, 21,313.56 and 8,091.92 is: 12,137.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,209.04 : 21,313.56 = 8,091.92 : x
  2. Step 2: Convert to fraction form
    14,209.04/21,313.56 = 8,091.92/x
  3. Step 3: Cross multiply
    14,209.04x = 21,313.56 × 8,091.92
  4. Step 4: Simplify right side
    14,209.04x = 172,467,622.44
  5. Step 5: Solve for x
    x = 172,467,622.44/14,209.04
  6. Step 6: Final answer
    x = 12,137.88

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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.