Home / 16,121.48-24,174.46-12,602.57

Finding the Fourth Proportional to 16,121.48, 24,174.46 and 12,602.57

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Solution

The fourth proportional to 16,121.48, 24,174.46 and 12,602.57 is: 18,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.48 : 24,174.46 = 12,602.57 : x
  2. Step 2: Convert to fraction form
    16,121.48/24,174.46 = 12,602.57/x
  3. Step 3: Cross multiply
    16,121.48x = 24,174.46 × 12,602.57
  4. Step 4: Simplify right side
    16,121.48x = 304,660,324.36
  5. Step 5: Solve for x
    x = 304,660,324.36/16,121.48
  6. Step 6: Final answer
    x = 18,897.79

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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.