Home / 13,877.46-20,814.84-7,635.42

Finding the Fourth Proportional to 13,877.46, 20,814.84 and 7,635.42

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Solution

The fourth proportional to 13,877.46, 20,814.84 and 7,635.42 is: 11,452.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.46 : 20,814.84 = 7,635.42 : x
  2. Step 2: Convert to fraction form
    13,877.46/20,814.84 = 7,635.42/x
  3. Step 3: Cross multiply
    13,877.46x = 20,814.84 × 7,635.42
  4. Step 4: Simplify right side
    13,877.46x = 158,930,045.63
  5. Step 5: Solve for x
    x = 158,930,045.63/13,877.46
  6. Step 6: Final answer
    x = 11,452.39

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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.