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Finding the Fourth Proportional to 10,998.67, 16,494.53 and 3,601.43

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Solution

The fourth proportional to 10,998.67, 16,494.53 and 3,601.43 is: 5,401.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.67 : 16,494.53 = 3,601.43 : x
  2. Step 2: Convert to fraction form
    10,998.67/16,494.53 = 3,601.43/x
  3. Step 3: Cross multiply
    10,998.67x = 16,494.53 × 3,601.43
  4. Step 4: Simplify right side
    10,998.67x = 59,403,895.18
  5. Step 5: Solve for x
    x = 59,403,895.18/10,998.67
  6. Step 6: Final answer
    x = 5,401.01

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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.