Home / 10,783.80-16,166.08-4,208.46

Finding the Fourth Proportional to 10,783.80, 16,166.08 and 4,208.46

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Solution

The fourth proportional to 10,783.80, 16,166.08 and 4,208.46 is: 6,308.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.80 : 16,166.08 = 4,208.46 : x
  2. Step 2: Convert to fraction form
    10,783.80/16,166.08 = 4,208.46/x
  3. Step 3: Cross multiply
    10,783.80x = 16,166.08 × 4,208.46
  4. Step 4: Simplify right side
    10,783.80x = 68,034,245.67
  5. Step 5: Solve for x
    x = 68,034,245.67/10,783.80
  6. Step 6: Final answer
    x = 6,308.93

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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.