Home / 11,200.89-16,796.47-4,178.19

Finding the Fourth Proportional to 11,200.89, 16,796.47 and 4,178.19

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Solution

The fourth proportional to 11,200.89, 16,796.47 and 4,178.19 is: 6,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,200.89 : 16,796.47 = 4,178.19 : x
  2. Step 2: Convert to fraction form
    11,200.89/16,796.47 = 4,178.19/x
  3. Step 3: Cross multiply
    11,200.89x = 16,796.47 × 4,178.19
  4. Step 4: Simplify right side
    11,200.89x = 70,178,842.99
  5. Step 5: Solve for x
    x = 70,178,842.99/11,200.89
  6. Step 6: Final answer
    x = 6,265.47

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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.