Home / 20,151.72-30,227.58-7,004.10

Finding the Fourth Proportional to 20,151.72, 30,227.58 and 7,004.10

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Solution

The fourth proportional to 20,151.72, 30,227.58 and 7,004.10 is: 10,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151.72 : 30,227.58 = 7,004.10 : x
  2. Step 2: Convert to fraction form
    20,151.72/30,227.58 = 7,004.10/x
  3. Step 3: Cross multiply
    20,151.72x = 30,227.58 × 7,004.10
  4. Step 4: Simplify right side
    20,151.72x = 211,716,993.08
  5. Step 5: Solve for x
    x = 211,716,993.08/20,151.72
  6. Step 6: Final answer
    x = 10,506.15

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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.