Home / 10,819.36-14,930.72-6,104.64

Finding the Fourth Proportional to 10,819.36, 14,930.72 and 6,104.64

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Solution

The fourth proportional to 10,819.36, 14,930.72 and 6,104.64 is: 8,424.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.36 : 14,930.72 = 6,104.64 : x
  2. Step 2: Convert to fraction form
    10,819.36/14,930.72 = 6,104.64/x
  3. Step 3: Cross multiply
    10,819.36x = 14,930.72 × 6,104.64
  4. Step 4: Simplify right side
    10,819.36x = 91,146,670.54
  5. Step 5: Solve for x
    x = 91,146,670.54/10,819.36
  6. Step 6: Final answer
    x = 8,424.41

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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.