Home / 20,324.19-30,485.37-8,473.08

Finding the Fourth Proportional to 20,324.19, 30,485.37 and 8,473.08

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Solution

The fourth proportional to 20,324.19, 30,485.37 and 8,473.08 is: 12,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324.19 : 30,485.37 = 8,473.08 : x
  2. Step 2: Convert to fraction form
    20,324.19/30,485.37 = 8,473.08/x
  3. Step 3: Cross multiply
    20,324.19x = 30,485.37 × 8,473.08
  4. Step 4: Simplify right side
    20,324.19x = 258,304,978.84
  5. Step 5: Solve for x
    x = 258,304,978.84/20,324.19
  6. Step 6: Final answer
    x = 12,709.24

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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.