Home / 14,135.85-21,202.29-5,816.88

Finding the Fourth Proportional to 14,135.85, 21,202.29 and 5,816.88

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Solution

The fourth proportional to 14,135.85, 21,202.29 and 5,816.88 is: 8,724.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.85 : 21,202.29 = 5,816.88 : x
  2. Step 2: Convert to fraction form
    14,135.85/21,202.29 = 5,816.88/x
  3. Step 3: Cross multiply
    14,135.85x = 21,202.29 × 5,816.88
  4. Step 4: Simplify right side
    14,135.85x = 123,331,176.66
  5. Step 5: Solve for x
    x = 123,331,176.66/14,135.85
  6. Step 6: Final answer
    x = 8,724.71

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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.