Home / 11,778.99-16,254.82-6,473.69

Finding the Fourth Proportional to 11,778.99, 16,254.82 and 6,473.69

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Solution

The fourth proportional to 11,778.99, 16,254.82 and 6,473.69 is: 8,933.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.99 : 16,254.82 = 6,473.69 : x
  2. Step 2: Convert to fraction form
    11,778.99/16,254.82 = 6,473.69/x
  3. Step 3: Cross multiply
    11,778.99x = 16,254.82 × 6,473.69
  4. Step 4: Simplify right side
    11,778.99x = 105,228,667.31
  5. Step 5: Solve for x
    x = 105,228,667.31/11,778.99
  6. Step 6: Final answer
    x = 8,933.59

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Double scale
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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.