Home / 10,811.23-16,210.35-4,229.57

Finding the Fourth Proportional to 10,811.23, 16,210.35 and 4,229.57

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Solution

The fourth proportional to 10,811.23, 16,210.35 and 4,229.57 is: 6,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.23 : 16,210.35 = 4,229.57 : x
  2. Step 2: Convert to fraction form
    10,811.23/16,210.35 = 4,229.57/x
  3. Step 3: Cross multiply
    10,811.23x = 16,210.35 × 4,229.57
  4. Step 4: Simplify right side
    10,811.23x = 68,562,810.05
  5. Step 5: Solve for x
    x = 68,562,810.05/10,811.23
  6. Step 6: Final answer
    x = 6,341.81

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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.