Home / 10,002.72-15,003.66-2,607.03

Finding the Fourth Proportional to 10,002.72, 15,003.66 and 2,607.03

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Solution

The fourth proportional to 10,002.72, 15,003.66 and 2,607.03 is: 3,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002.72 : 15,003.66 = 2,607.03 : x
  2. Step 2: Convert to fraction form
    10,002.72/15,003.66 = 2,607.03/x
  3. Step 3: Cross multiply
    10,002.72x = 15,003.66 × 2,607.03
  4. Step 4: Simplify right side
    10,002.72x = 39,114,991.73
  5. Step 5: Solve for x
    x = 39,114,991.73/10,002.72
  6. Step 6: Final answer
    x = 3,910.44

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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.