Home / 15,755.22-23,632.82-12,970.73

Finding the Fourth Proportional to 15,755.22, 23,632.82 and 12,970.73

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Solution

The fourth proportional to 15,755.22, 23,632.82 and 12,970.73 is: 19,456.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,755.22 : 23,632.82 = 12,970.73 : x
  2. Step 2: Convert to fraction form
    15,755.22/23,632.82 = 12,970.73/x
  3. Step 3: Cross multiply
    15,755.22x = 23,632.82 × 12,970.73
  4. Step 4: Simplify right side
    15,755.22x = 306,534,927.36
  5. Step 5: Solve for x
    x = 306,534,927.36/15,755.22
  6. Step 6: Final answer
    x = 19,456.09

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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.