Home / 13,783.98-20,675.58-4,423.92

Finding the Fourth Proportional to 13,783.98, 20,675.58 and 4,423.92

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Solution

The fourth proportional to 13,783.98, 20,675.58 and 4,423.92 is: 6,635.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.98 : 20,675.58 = 4,423.92 : x
  2. Step 2: Convert to fraction form
    13,783.98/20,675.58 = 4,423.92/x
  3. Step 3: Cross multiply
    13,783.98x = 20,675.58 × 4,423.92
  4. Step 4: Simplify right side
    13,783.98x = 91,467,174.62
  5. Step 5: Solve for x
    x = 91,467,174.62/13,783.98
  6. Step 6: Final answer
    x = 6,635.76

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Similar ratio
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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.