Home / 14,131.18-21,195.62-4,135.14

Finding the Fourth Proportional to 14,131.18, 21,195.62 and 4,135.14

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Solution

The fourth proportional to 14,131.18, 21,195.62 and 4,135.14 is: 6,202.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131.18 : 21,195.62 = 4,135.14 : x
  2. Step 2: Convert to fraction form
    14,131.18/21,195.62 = 4,135.14/x
  3. Step 3: Cross multiply
    14,131.18x = 21,195.62 × 4,135.14
  4. Step 4: Simplify right side
    14,131.18x = 87,646,818.20
  5. Step 5: Solve for x
    x = 87,646,818.20/14,131.18
  6. Step 6: Final answer
    x = 6,202.37

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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.