Home / 20,160.69-30,244.23-5,370.80

Finding the Fourth Proportional to 20,160.69, 30,244.23 and 5,370.80

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Solution

The fourth proportional to 20,160.69, 30,244.23 and 5,370.80 is: 8,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.69 : 30,244.23 = 5,370.80 : x
  2. Step 2: Convert to fraction form
    20,160.69/30,244.23 = 5,370.80/x
  3. Step 3: Cross multiply
    20,160.69x = 30,244.23 × 5,370.80
  4. Step 4: Simplify right side
    20,160.69x = 162,435,683.63
  5. Step 5: Solve for x
    x = 162,435,683.63/20,160.69
  6. Step 6: Final answer
    x = 8,057.05

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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.