Home / 15,939.05-23,919.46-5,550.80

Finding the Fourth Proportional to 15,939.05, 23,919.46 and 5,550.80

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Solution

The fourth proportional to 15,939.05, 23,919.46 and 5,550.80 is: 8,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,939.05 : 23,919.46 = 5,550.80 : x
  2. Step 2: Convert to fraction form
    15,939.05/23,919.46 = 5,550.80/x
  3. Step 3: Cross multiply
    15,939.05x = 23,919.46 × 5,550.80
  4. Step 4: Simplify right side
    15,939.05x = 132,772,005.09
  5. Step 5: Solve for x
    x = 132,772,005.09/15,939.05
  6. Step 6: Final answer
    x = 8,329.98

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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.