Home / 20,237.74-30,370.25-7,090.23

Finding the Fourth Proportional to 20,237.74, 30,370.25 and 7,090.23

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Solution

The fourth proportional to 20,237.74, 30,370.25 and 7,090.23 is: 10,640.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.74 : 30,370.25 = 7,090.23 : x
  2. Step 2: Convert to fraction form
    20,237.74/30,370.25 = 7,090.23/x
  3. Step 3: Cross multiply
    20,237.74x = 30,370.25 × 7,090.23
  4. Step 4: Simplify right side
    20,237.74x = 215,332,057.66
  5. Step 5: Solve for x
    x = 215,332,057.66/20,237.74
  6. Step 6: Final answer
    x = 10,640.12

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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.