Home / 14,628.12-20,186.94-8,883.90

Finding the Fourth Proportional to 14,628.12, 20,186.94 and 8,883.90

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Solution

The fourth proportional to 14,628.12, 20,186.94 and 8,883.90 is: 12,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628.12 : 20,186.94 = 8,883.90 : x
  2. Step 2: Convert to fraction form
    14,628.12/20,186.94 = 8,883.90/x
  3. Step 3: Cross multiply
    14,628.12x = 20,186.94 × 8,883.90
  4. Step 4: Simplify right side
    14,628.12x = 179,338,756.27
  5. Step 5: Solve for x
    x = 179,338,756.27/14,628.12
  6. Step 6: Final answer
    x = 12,259.86

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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.