Home / 14,381.25-21,553.70-6,475.34

Finding the Fourth Proportional to 14,381.25, 21,553.70 and 6,475.34

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Solution

The fourth proportional to 14,381.25, 21,553.70 and 6,475.34 is: 9,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.25 : 21,553.70 = 6,475.34 : x
  2. Step 2: Convert to fraction form
    14,381.25/21,553.70 = 6,475.34/x
  3. Step 3: Cross multiply
    14,381.25x = 21,553.70 × 6,475.34
  4. Step 4: Simplify right side
    14,381.25x = 139,567,557.27
  5. Step 5: Solve for x
    x = 139,567,557.27/14,381.25
  6. Step 6: Final answer
    x = 9,704.83

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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.