Home / 20,204.04-30,320.64-11,456.04

Finding the Fourth Proportional to 20,204.04, 30,320.64 and 11,456.04

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Solution

The fourth proportional to 20,204.04, 30,320.64 and 11,456.04 is: 17,192.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.04 : 30,320.64 = 11,456.04 : x
  2. Step 2: Convert to fraction form
    20,204.04/30,320.64 = 11,456.04/x
  3. Step 3: Cross multiply
    20,204.04x = 30,320.64 × 11,456.04
  4. Step 4: Simplify right side
    20,204.04x = 347,354,464.67
  5. Step 5: Solve for x
    x = 347,354,464.67/20,204.04
  6. Step 6: Final answer
    x = 17,192.33

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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.