Home / 20,654.56-30,981.77-5,863.48

Finding the Fourth Proportional to 20,654.56, 30,981.77 and 5,863.48

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Solution

The fourth proportional to 20,654.56, 30,981.77 and 5,863.48 is: 8,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,654.56 : 30,981.77 = 5,863.48 : x
  2. Step 2: Convert to fraction form
    20,654.56/30,981.77 = 5,863.48/x
  3. Step 3: Cross multiply
    20,654.56x = 30,981.77 × 5,863.48
  4. Step 4: Simplify right side
    20,654.56x = 181,661,051.56
  5. Step 5: Solve for x
    x = 181,661,051.56/20,654.56
  6. Step 6: Final answer
    x = 8,795.21

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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.