Home / 16,065.53-22,170.49-8,991.94

Finding the Fourth Proportional to 16,065.53, 22,170.49 and 8,991.94

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Solution

The fourth proportional to 16,065.53, 22,170.49 and 8,991.94 is: 12,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,065.53 : 22,170.49 = 8,991.94 : x
  2. Step 2: Convert to fraction form
    16,065.53/22,170.49 = 8,991.94/x
  3. Step 3: Cross multiply
    16,065.53x = 22,170.49 × 8,991.94
  4. Step 4: Simplify right side
    16,065.53x = 199,355,637.94
  5. Step 5: Solve for x
    x = 199,355,637.94/16,065.53
  6. Step 6: Final answer
    x = 12,408.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.