Home / 13,276.63-19,910.49-6,698.62

Finding the Fourth Proportional to 13,276.63, 19,910.49 and 6,698.62

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Solution

The fourth proportional to 13,276.63, 19,910.49 and 6,698.62 is: 10,045.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.63 : 19,910.49 = 6,698.62 : x
  2. Step 2: Convert to fraction form
    13,276.63/19,910.49 = 6,698.62/x
  3. Step 3: Cross multiply
    13,276.63x = 19,910.49 × 6,698.62
  4. Step 4: Simplify right side
    13,276.63x = 133,372,806.52
  5. Step 5: Solve for x
    x = 133,372,806.52/13,276.63
  6. Step 6: Final answer
    x = 10,045.68

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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.