Home / 20,518.84-30,779.97-5,727.93

Finding the Fourth Proportional to 20,518.84, 30,779.97 and 5,727.93

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Solution

The fourth proportional to 20,518.84, 30,779.97 and 5,727.93 is: 8,592.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,518.84 : 30,779.97 = 5,727.93 : x
  2. Step 2: Convert to fraction form
    20,518.84/30,779.97 = 5,727.93/x
  3. Step 3: Cross multiply
    20,518.84x = 30,779.97 × 5,727.93
  4. Step 4: Simplify right side
    20,518.84x = 176,305,513.56
  5. Step 5: Solve for x
    x = 176,305,513.56/20,518.84
  6. Step 6: Final answer
    x = 8,592.37

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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.