Home / 15,879.09-23,816.79-4,193.22

Finding the Fourth Proportional to 15,879.09, 23,816.79 and 4,193.22

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Solution

The fourth proportional to 15,879.09, 23,816.79 and 4,193.22 is: 6,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.09 : 23,816.79 = 4,193.22 : x
  2. Step 2: Convert to fraction form
    15,879.09/23,816.79 = 4,193.22/x
  3. Step 3: Cross multiply
    15,879.09x = 23,816.79 × 4,193.22
  4. Step 4: Simplify right side
    15,879.09x = 99,869,040.16
  5. Step 5: Solve for x
    x = 99,869,040.16/15,879.09
  6. Step 6: Final answer
    x = 6,289.34

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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.