Home / 20,151.75-30,227.65-7,004.14

Finding the Fourth Proportional to 20,151.75, 30,227.65 and 7,004.14

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Solution

The fourth proportional to 20,151.75, 30,227.65 and 7,004.14 is: 10,506.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151.75 : 30,227.65 = 7,004.14 : x
  2. Step 2: Convert to fraction form
    20,151.75/30,227.65 = 7,004.14/x
  3. Step 3: Cross multiply
    20,151.75x = 30,227.65 × 7,004.14
  4. Step 4: Simplify right side
    20,151.75x = 211,718,599.39
  5. Step 5: Solve for x
    x = 211,718,599.39/20,151.75
  6. Step 6: Final answer
    x = 10,506.21

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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.