Home / 20,130.45-30,194.73-9,592.80

Finding the Fourth Proportional to 20,130.45, 30,194.73 and 9,592.80

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Solution

The fourth proportional to 20,130.45, 30,194.73 and 9,592.80 is: 14,388.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130.45 : 30,194.73 = 9,592.80 : x
  2. Step 2: Convert to fraction form
    20,130.45/30,194.73 = 9,592.80/x
  3. Step 3: Cross multiply
    20,130.45x = 30,194.73 × 9,592.80
  4. Step 4: Simplify right side
    20,130.45x = 289,652,005.94
  5. Step 5: Solve for x
    x = 289,652,005.94/20,130.45
  6. Step 6: Final answer
    x = 14,388.75

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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.