Home / 23,020.48-34,456.46-11,911.88

Finding the Fourth Proportional to 23,020.48, 34,456.46 and 11,911.88

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Solution

The fourth proportional to 23,020.48, 34,456.46 and 11,911.88 is: 17,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,020.48 : 34,456.46 = 11,911.88 : x
  2. Step 2: Convert to fraction form
    23,020.48/34,456.46 = 11,911.88/x
  3. Step 3: Cross multiply
    23,020.48x = 34,456.46 × 11,911.88
  4. Step 4: Simplify right side
    23,020.48x = 410,441,216.74
  5. Step 5: Solve for x
    x = 410,441,216.74/23,020.48
  6. Step 6: Final answer
    x = 17,829.39

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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.