Home / 20,636.24-30,953.04-5,847.12

Finding the Fourth Proportional to 20,636.24, 30,953.04 and 5,847.12

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Solution

The fourth proportional to 20,636.24, 30,953.04 and 5,847.12 is: 8,770.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,636.24 : 30,953.04 = 5,847.12 : x
  2. Step 2: Convert to fraction form
    20,636.24/30,953.04 = 5,847.12/x
  3. Step 3: Cross multiply
    20,636.24x = 30,953.04 × 5,847.12
  4. Step 4: Simplify right side
    20,636.24x = 180,986,139.24
  5. Step 5: Solve for x
    x = 180,986,139.24/20,636.24
  6. Step 6: Final answer
    x = 8,770.31

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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.