Home / 14,612.40-20,163.24-8,326.80

Finding the Fourth Proportional to 14,612.40, 20,163.24 and 8,326.80

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Solution

The fourth proportional to 14,612.40, 20,163.24 and 8,326.80 is: 11,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.40 : 20,163.24 = 8,326.80 : x
  2. Step 2: Convert to fraction form
    14,612.40/20,163.24 = 8,326.80/x
  3. Step 3: Cross multiply
    14,612.40x = 20,163.24 × 8,326.80
  4. Step 4: Simplify right side
    14,612.40x = 167,895,266.83
  5. Step 5: Solve for x
    x = 167,895,266.83/14,612.40
  6. Step 6: Final answer
    x = 11,489.92

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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.