Home / 16,872.99-23,311.85-14,381.43

Finding the Fourth Proportional to 16,872.99, 23,311.85 and 14,381.43

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Solution

The fourth proportional to 16,872.99, 23,311.85 and 14,381.43 is: 19,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.99 : 23,311.85 = 14,381.43 : x
  2. Step 2: Convert to fraction form
    16,872.99/23,311.85 = 14,381.43/x
  3. Step 3: Cross multiply
    16,872.99x = 23,311.85 × 14,381.43
  4. Step 4: Simplify right side
    16,872.99x = 335,257,667.04
  5. Step 5: Solve for x
    x = 335,257,667.04/16,872.99
  6. Step 6: Final answer
    x = 19,869.49

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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.