Home / 10,953.12-16,429.80-3,162

Finding the Fourth Proportional to 10,953.12, 16,429.80 and 3,162

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Solution

The fourth proportional to 10,953.12, 16,429.80 and 3,162 is: 4,743.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.12 : 16,429.80 = 3,162 : x
  2. Step 2: Convert to fraction form
    10,953.12/16,429.80 = 3,162/x
  3. Step 3: Cross multiply
    10,953.12x = 16,429.80 × 3,162
  4. Step 4: Simplify right side
    10,953.12x = 51,951,027.60
  5. Step 5: Solve for x
    x = 51,951,027.60/10,953.12
  6. Step 6: Final answer
    x = 4,743.03

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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.