Home / 11,765.19-16,235.44-6,460.09

Finding the Fourth Proportional to 11,765.19, 16,235.44 and 6,460.09

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Solution

The fourth proportional to 11,765.19, 16,235.44 and 6,460.09 is: 8,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.19 : 16,235.44 = 6,460.09 : x
  2. Step 2: Convert to fraction form
    11,765.19/16,235.44 = 6,460.09/x
  3. Step 3: Cross multiply
    11,765.19x = 16,235.44 × 6,460.09
  4. Step 4: Simplify right side
    11,765.19x = 104,882,403.59
  5. Step 5: Solve for x
    x = 104,882,403.59/11,765.19
  6. Step 6: Final answer
    x = 8,914.64

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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.