Home / 14,817.14-20,447.33-8,102.69

Finding the Fourth Proportional to 14,817.14, 20,447.33 and 8,102.69

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Solution

The fourth proportional to 14,817.14, 20,447.33 and 8,102.69 is: 11,181.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,817.14 : 20,447.33 = 8,102.69 : x
  2. Step 2: Convert to fraction form
    14,817.14/20,447.33 = 8,102.69/x
  3. Step 3: Cross multiply
    14,817.14x = 20,447.33 × 8,102.69
  4. Step 4: Simplify right side
    14,817.14x = 165,678,294.34
  5. Step 5: Solve for x
    x = 165,678,294.34/14,817.14
  6. Step 6: Final answer
    x = 11,181.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.