Home / 11,243.08-16,879.20-7,559.20

Finding the Fourth Proportional to 11,243.08, 16,879.20 and 7,559.20

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Solution

The fourth proportional to 11,243.08, 16,879.20 and 7,559.20 is: 11,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.08 : 16,879.20 = 7,559.20 : x
  2. Step 2: Convert to fraction form
    11,243.08/16,879.20 = 7,559.20/x
  3. Step 3: Cross multiply
    11,243.08x = 16,879.20 × 7,559.20
  4. Step 4: Simplify right side
    11,243.08x = 127,593,248.64
  5. Step 5: Solve for x
    x = 127,593,248.64/11,243.08
  6. Step 6: Final answer
    x = 11,348.60

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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.