Home / 20,392.58-30,577.86-6,346.52

Finding the Fourth Proportional to 20,392.58, 30,577.86 and 6,346.52

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Solution

The fourth proportional to 20,392.58, 30,577.86 and 6,346.52 is: 9,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392.58 : 30,577.86 = 6,346.52 : x
  2. Step 2: Convert to fraction form
    20,392.58/30,577.86 = 6,346.52/x
  3. Step 3: Cross multiply
    20,392.58x = 30,577.86 × 6,346.52
  4. Step 4: Simplify right side
    20,392.58x = 194,063,000.05
  5. Step 5: Solve for x
    x = 194,063,000.05/20,392.58
  6. Step 6: Final answer
    x = 9,516.35

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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.