Home / 20,011.62-30,018.24-7,530.33

Finding the Fourth Proportional to 20,011.62, 30,018.24 and 7,530.33

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Solution

The fourth proportional to 20,011.62, 30,018.24 and 7,530.33 is: 11,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.62 : 30,018.24 = 7,530.33 : x
  2. Step 2: Convert to fraction form
    20,011.62/30,018.24 = 7,530.33/x
  3. Step 3: Cross multiply
    20,011.62x = 30,018.24 × 7,530.33
  4. Step 4: Simplify right side
    20,011.62x = 226,047,253.22
  5. Step 5: Solve for x
    x = 226,047,253.22/20,011.62
  6. Step 6: Final answer
    x = 11,295.80

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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.