Home / 14,474.05-19,974.33-8,505.85

Finding the Fourth Proportional to 14,474.05, 19,974.33 and 8,505.85

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Solution

The fourth proportional to 14,474.05, 19,974.33 and 8,505.85 is: 11,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,474.05 : 19,974.33 = 8,505.85 : x
  2. Step 2: Convert to fraction form
    14,474.05/19,974.33 = 8,505.85/x
  3. Step 3: Cross multiply
    14,474.05x = 19,974.33 × 8,505.85
  4. Step 4: Simplify right side
    14,474.05x = 169,898,654.83
  5. Step 5: Solve for x
    x = 169,898,654.83/14,474.05
  6. Step 6: Final answer
    x = 11,738.16

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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.