Home / 15,042.84-20,760.30-8,755.56

Finding the Fourth Proportional to 15,042.84, 20,760.30 and 8,755.56

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Solution

The fourth proportional to 15,042.84, 20,760.30 and 8,755.56 is: 12,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,042.84 : 20,760.30 = 8,755.56 : x
  2. Step 2: Convert to fraction form
    15,042.84/20,760.30 = 8,755.56/x
  3. Step 3: Cross multiply
    15,042.84x = 20,760.30 × 8,755.56
  4. Step 4: Simplify right side
    15,042.84x = 181,768,052.27
  5. Step 5: Solve for x
    x = 181,768,052.27/15,042.84
  6. Step 6: Final answer
    x = 12,083.36

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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.