Home / 13,666.34-20,474.79-6,276.98

Finding the Fourth Proportional to 13,666.34, 20,474.79 and 6,276.98

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Solution

The fourth proportional to 13,666.34, 20,474.79 and 6,276.98 is: 9,404.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666.34 : 20,474.79 = 6,276.98 : x
  2. Step 2: Convert to fraction form
    13,666.34/20,474.79 = 6,276.98/x
  3. Step 3: Cross multiply
    13,666.34x = 20,474.79 × 6,276.98
  4. Step 4: Simplify right side
    13,666.34x = 128,519,847.33
  5. Step 5: Solve for x
    x = 128,519,847.33/13,666.34
  6. Step 6: Final answer
    x = 9,404.12

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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.