Home / 14,173.29-19,560.83-8,125.70

Finding the Fourth Proportional to 14,173.29, 19,560.83 and 8,125.70

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Solution

The fourth proportional to 14,173.29, 19,560.83 and 8,125.70 is: 11,214.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,173.29 : 19,560.83 = 8,125.70 : x
  2. Step 2: Convert to fraction form
    14,173.29/19,560.83 = 8,125.70/x
  3. Step 3: Cross multiply
    14,173.29x = 19,560.83 × 8,125.70
  4. Step 4: Simplify right side
    14,173.29x = 158,945,297.90
  5. Step 5: Solve for x
    x = 158,945,297.90/14,173.29
  6. Step 6: Final answer
    x = 11,214.43

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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.