Home / 11,208.96-16,814.79-4,639.80

Finding the Fourth Proportional to 11,208.96, 16,814.79 and 4,639.80

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Solution

The fourth proportional to 11,208.96, 16,814.79 and 4,639.80 is: 6,960.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.96 : 16,814.79 = 4,639.80 : x
  2. Step 2: Convert to fraction form
    11,208.96/16,814.79 = 4,639.80/x
  3. Step 3: Cross multiply
    11,208.96x = 16,814.79 × 4,639.80
  4. Step 4: Simplify right side
    11,208.96x = 78,017,178.57
  5. Step 5: Solve for x
    x = 78,017,178.57/11,208.96
  6. Step 6: Final answer
    x = 6,960.25

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1.5x scale

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.