Home / 13,176.81-19,737.53-8,997.24

Finding the Fourth Proportional to 13,176.81, 19,737.53 and 8,997.24

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Solution

The fourth proportional to 13,176.81, 19,737.53 and 8,997.24 is: 13,476.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.81 : 19,737.53 = 8,997.24 : x
  2. Step 2: Convert to fraction form
    13,176.81/19,737.53 = 8,997.24/x
  3. Step 3: Cross multiply
    13,176.81x = 19,737.53 × 8,997.24
  4. Step 4: Simplify right side
    13,176.81x = 177,583,249.43
  5. Step 5: Solve for x
    x = 177,583,249.43/13,176.81
  6. Step 6: Final answer
    x = 13,476.95

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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.