Home / 14,013.50-21,020.34-3,625.34

Finding the Fourth Proportional to 14,013.50, 21,020.34 and 3,625.34

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Solution

The fourth proportional to 14,013.50, 21,020.34 and 3,625.34 is: 5,438.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.50 : 21,020.34 = 3,625.34 : x
  2. Step 2: Convert to fraction form
    14,013.50/21,020.34 = 3,625.34/x
  3. Step 3: Cross multiply
    14,013.50x = 21,020.34 × 3,625.34
  4. Step 4: Simplify right side
    14,013.50x = 76,205,879.42
  5. Step 5: Solve for x
    x = 76,205,879.42/14,013.50
  6. Step 6: Final answer
    x = 5,438.03

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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.