Home / 11,769.48-16,240.98-6,464.64

Finding the Fourth Proportional to 11,769.48, 16,240.98 and 6,464.64

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Solution

The fourth proportional to 11,769.48, 16,240.98 and 6,464.64 is: 8,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.48 : 16,240.98 = 6,464.64 : x
  2. Step 2: Convert to fraction form
    11,769.48/16,240.98 = 6,464.64/x
  3. Step 3: Cross multiply
    11,769.48x = 16,240.98 × 6,464.64
  4. Step 4: Simplify right side
    11,769.48x = 104,992,088.95
  5. Step 5: Solve for x
    x = 104,992,088.95/11,769.48
  6. Step 6: Final answer
    x = 8,920.71

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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.