Home / 11,228.38-16,842.56-4,986.92

Finding the Fourth Proportional to 11,228.38, 16,842.56 and 4,986.92

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Solution

The fourth proportional to 11,228.38, 16,842.56 and 4,986.92 is: 7,480.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.38 : 16,842.56 = 4,986.92 : x
  2. Step 2: Convert to fraction form
    11,228.38/16,842.56 = 4,986.92/x
  3. Step 3: Cross multiply
    11,228.38x = 16,842.56 × 4,986.92
  4. Step 4: Simplify right side
    11,228.38x = 83,992,499.32
  5. Step 5: Solve for x
    x = 83,992,499.32/11,228.38
  6. Step 6: Final answer
    x = 7,480.38

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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.