Home / 14,253.35-21,380.38-6,755.15

Finding the Fourth Proportional to 14,253.35, 21,380.38 and 6,755.15

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Solution

The fourth proportional to 14,253.35, 21,380.38 and 6,755.15 is: 10,132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.35 : 21,380.38 = 6,755.15 : x
  2. Step 2: Convert to fraction form
    14,253.35/21,380.38 = 6,755.15/x
  3. Step 3: Cross multiply
    14,253.35x = 21,380.38 × 6,755.15
  4. Step 4: Simplify right side
    14,253.35x = 144,427,673.96
  5. Step 5: Solve for x
    x = 144,427,673.96/14,253.35
  6. Step 6: Final answer
    x = 10,132.89

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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.