Home / 14,181.54-19,571.49-8,214.90

Finding the Fourth Proportional to 14,181.54, 19,571.49 and 8,214.90

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Solution

The fourth proportional to 14,181.54, 19,571.49 and 8,214.90 is: 11,337.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.54 : 19,571.49 = 8,214.90 : x
  2. Step 2: Convert to fraction form
    14,181.54/19,571.49 = 8,214.90/x
  3. Step 3: Cross multiply
    14,181.54x = 19,571.49 × 8,214.90
  4. Step 4: Simplify right side
    14,181.54x = 160,777,833.20
  5. Step 5: Solve for x
    x = 160,777,833.20/14,181.54
  6. Step 6: Final answer
    x = 11,337.12

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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.