Home / 10,990.27-16,485.40-2,670.23

Finding the Fourth Proportional to 10,990.27, 16,485.40 and 2,670.23

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Solution

The fourth proportional to 10,990.27, 16,485.40 and 2,670.23 is: 4,005.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.27 : 16,485.40 = 2,670.23 : x
  2. Step 2: Convert to fraction form
    10,990.27/16,485.40 = 2,670.23/x
  3. Step 3: Cross multiply
    10,990.27x = 16,485.40 × 2,670.23
  4. Step 4: Simplify right side
    10,990.27x = 44,019,775.54
  5. Step 5: Solve for x
    x = 44,019,775.54/10,990.27
  6. Step 6: Final answer
    x = 4,005.34

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Similar ratio
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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.