Home / 20,192.08-30,289.20-6,151.04

Finding the Fourth Proportional to 20,192.08, 30,289.20 and 6,151.04

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Solution

The fourth proportional to 20,192.08, 30,289.20 and 6,151.04 is: 9,226.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.08 : 30,289.20 = 6,151.04 : x
  2. Step 2: Convert to fraction form
    20,192.08/30,289.20 = 6,151.04/x
  3. Step 3: Cross multiply
    20,192.08x = 30,289.20 × 6,151.04
  4. Step 4: Simplify right side
    20,192.08x = 186,310,080.77
  5. Step 5: Solve for x
    x = 186,310,080.77/20,192.08
  6. Step 6: Final answer
    x = 9,226.89

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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.