Home / 20,151.74-30,227.88-7,004.36

Finding the Fourth Proportional to 20,151.74, 30,227.88 and 7,004.36

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Solution

The fourth proportional to 20,151.74, 30,227.88 and 7,004.36 is: 10,506.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151.74 : 30,227.88 = 7,004.36 : x
  2. Step 2: Convert to fraction form
    20,151.74/30,227.88 = 7,004.36/x
  3. Step 3: Cross multiply
    20,151.74x = 30,227.88 × 7,004.36
  4. Step 4: Simplify right side
    20,151.74x = 211,726,953.56
  5. Step 5: Solve for x
    x = 211,726,953.56/20,151.74
  6. Step 6: Final answer
    x = 10,506.63

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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.