Home / 10,819.37-14,930.83-6,103.76

Finding the Fourth Proportional to 10,819.37, 14,930.83 and 6,103.76

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Solution

The fourth proportional to 10,819.37, 14,930.83 and 6,103.76 is: 8,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.37 : 14,930.83 = 6,103.76 : x
  2. Step 2: Convert to fraction form
    10,819.37/14,930.83 = 6,103.76/x
  3. Step 3: Cross multiply
    10,819.37x = 14,930.83 × 6,103.76
  4. Step 4: Simplify right side
    10,819.37x = 91,134,135.90
  5. Step 5: Solve for x
    x = 91,134,135.90/10,819.37
  6. Step 6: Final answer
    x = 8,423.24

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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.