Home / 10,819.44-14,929.56-6,103.26

Finding the Fourth Proportional to 10,819.44, 14,929.56 and 6,103.26

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Solution

The fourth proportional to 10,819.44, 14,929.56 and 6,103.26 is: 8,421.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.44 : 14,929.56 = 6,103.26 : x
  2. Step 2: Convert to fraction form
    10,819.44/14,929.56 = 6,103.26/x
  3. Step 3: Cross multiply
    10,819.44x = 14,929.56 × 6,103.26
  4. Step 4: Simplify right side
    10,819.44x = 91,118,986.37
  5. Step 5: Solve for x
    x = 91,118,986.37/10,819.44
  6. Step 6: Final answer
    x = 8,421.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.