Home / 22,879.54-31,575.21-12,807.34

Finding the Fourth Proportional to 22,879.54, 31,575.21 and 12,807.34

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Solution

The fourth proportional to 22,879.54, 31,575.21 and 12,807.34 is: 17,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,879.54 : 31,575.21 = 12,807.34 : x
  2. Step 2: Convert to fraction form
    22,879.54/31,575.21 = 12,807.34/x
  3. Step 3: Cross multiply
    22,879.54x = 31,575.21 × 12,807.34
  4. Step 4: Simplify right side
    22,879.54x = 404,394,450.04
  5. Step 5: Solve for x
    x = 404,394,450.04/22,879.54
  6. Step 6: Final answer
    x = 17,674.94

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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.