Home / 14,887.50-20,544.84-8,173.20

Finding the Fourth Proportional to 14,887.50, 20,544.84 and 8,173.20

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Solution

The fourth proportional to 14,887.50, 20,544.84 and 8,173.20 is: 11,279.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,887.50 : 20,544.84 = 8,173.20 : x
  2. Step 2: Convert to fraction form
    14,887.50/20,544.84 = 8,173.20/x
  3. Step 3: Cross multiply
    14,887.50x = 20,544.84 × 8,173.20
  4. Step 4: Simplify right side
    14,887.50x = 167,917,163.33
  5. Step 5: Solve for x
    x = 167,917,163.33/14,887.50
  6. Step 6: Final answer
    x = 11,279.07

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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.