Home / 20,296.08-30,445.20-6,444

Finding the Fourth Proportional to 20,296.08, 30,445.20 and 6,444

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Solution

The fourth proportional to 20,296.08, 30,445.20 and 6,444 is: 9,666.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296.08 : 30,445.20 = 6,444 : x
  2. Step 2: Convert to fraction form
    20,296.08/30,445.20 = 6,444/x
  3. Step 3: Cross multiply
    20,296.08x = 30,445.20 × 6,444
  4. Step 4: Simplify right side
    20,296.08x = 196,188,868.80
  5. Step 5: Solve for x
    x = 196,188,868.80/20,296.08
  6. Step 6: Final answer
    x = 9,666.34

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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.