Home / 16,945.02-25,408.53-9,938.70

Finding the Fourth Proportional to 16,945.02, 25,408.53 and 9,938.70

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Solution

The fourth proportional to 16,945.02, 25,408.53 and 9,938.70 is: 14,902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.02 : 25,408.53 = 9,938.70 : x
  2. Step 2: Convert to fraction form
    16,945.02/25,408.53 = 9,938.70/x
  3. Step 3: Cross multiply
    16,945.02x = 25,408.53 × 9,938.70
  4. Step 4: Simplify right side
    16,945.02x = 252,527,757.11
  5. Step 5: Solve for x
    x = 252,527,757.11/16,945.02
  6. Step 6: Final answer
    x = 14,902.77

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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.