Home / 11,028.08-16,559.80-10,219.60

Finding the Fourth Proportional to 11,028.08, 16,559.80 and 10,219.60

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Solution

The fourth proportional to 11,028.08, 16,559.80 and 10,219.60 is: 15,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.08 : 16,559.80 = 10,219.60 : x
  2. Step 2: Convert to fraction form
    11,028.08/16,559.80 = 10,219.60/x
  3. Step 3: Cross multiply
    11,028.08x = 16,559.80 × 10,219.60
  4. Step 4: Simplify right side
    11,028.08x = 169,234,532.08
  5. Step 5: Solve for x
    x = 169,234,532.08/11,028.08
  6. Step 6: Final answer
    x = 15,345.78

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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.