Home / 14,311.08-21,474.25-10,776.78

Finding the Fourth Proportional to 14,311.08, 21,474.25 and 10,776.78

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Solution

The fourth proportional to 14,311.08, 21,474.25 and 10,776.78 is: 16,170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311.08 : 21,474.25 = 10,776.78 : x
  2. Step 2: Convert to fraction form
    14,311.08/21,474.25 = 10,776.78/x
  3. Step 3: Cross multiply
    14,311.08x = 21,474.25 × 10,776.78
  4. Step 4: Simplify right side
    14,311.08x = 231,423,240.97
  5. Step 5: Solve for x
    x = 231,423,240.97/14,311.08
  6. Step 6: Final answer
    x = 16,170.91

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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.