Home / 20,263.36-30,399.36-6,412.48

Finding the Fourth Proportional to 20,263.36, 30,399.36 and 6,412.48

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Solution

The fourth proportional to 20,263.36, 30,399.36 and 6,412.48 is: 9,620.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.36 : 30,399.36 = 6,412.48 : x
  2. Step 2: Convert to fraction form
    20,263.36/30,399.36 = 6,412.48/x
  3. Step 3: Cross multiply
    20,263.36x = 30,399.36 × 6,412.48
  4. Step 4: Simplify right side
    20,263.36x = 194,935,288.01
  5. Step 5: Solve for x
    x = 194,935,288.01/20,263.36
  6. Step 6: Final answer
    x = 9,620.09

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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.