Home / 20,124.27-30,186.36-6,976.62

Finding the Fourth Proportional to 20,124.27, 30,186.36 and 6,976.62

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Solution

The fourth proportional to 20,124.27, 30,186.36 and 6,976.62 is: 10,464.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124.27 : 30,186.36 = 6,976.62 : x
  2. Step 2: Convert to fraction form
    20,124.27/30,186.36 = 6,976.62/x
  3. Step 3: Cross multiply
    20,124.27x = 30,186.36 × 6,976.62
  4. Step 4: Simplify right side
    20,124.27x = 210,598,762.90
  5. Step 5: Solve for x
    x = 210,598,762.90/20,124.27
  6. Step 6: Final answer
    x = 10,464.91

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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.