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Finding the Fourth Proportional to 17,879.31, 24,674.10 and 10,804.36

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Solution

The fourth proportional to 17,879.31, 24,674.10 and 10,804.36 is: 14,910.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879.31 : 24,674.10 = 10,804.36 : x
  2. Step 2: Convert to fraction form
    17,879.31/24,674.10 = 10,804.36/x
  3. Step 3: Cross multiply
    17,879.31x = 24,674.10 × 10,804.36
  4. Step 4: Simplify right side
    17,879.31x = 266,587,859.08
  5. Step 5: Solve for x
    x = 266,587,859.08/17,879.31
  6. Step 6: Final answer
    x = 14,910.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.