Home / 10,879.38-16,318.80-3,088.20

Finding the Fourth Proportional to 10,879.38, 16,318.80 and 3,088.20

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Solution

The fourth proportional to 10,879.38, 16,318.80 and 3,088.20 is: 4,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.38 : 16,318.80 = 3,088.20 : x
  2. Step 2: Convert to fraction form
    10,879.38/16,318.80 = 3,088.20/x
  3. Step 3: Cross multiply
    10,879.38x = 16,318.80 × 3,088.20
  4. Step 4: Simplify right side
    10,879.38x = 50,395,718.16
  5. Step 5: Solve for x
    x = 50,395,718.16/10,879.38
  6. Step 6: Final answer
    x = 4,632.22

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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.