Home / 14,932.18-20,606.41-8,217.80

Finding the Fourth Proportional to 14,932.18, 20,606.41 and 8,217.80

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Solution

The fourth proportional to 14,932.18, 20,606.41 and 8,217.80 is: 11,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,932.18 : 20,606.41 = 8,217.80 : x
  2. Step 2: Convert to fraction form
    14,932.18/20,606.41 = 8,217.80/x
  3. Step 3: Cross multiply
    14,932.18x = 20,606.41 × 8,217.80
  4. Step 4: Simplify right side
    14,932.18x = 169,339,315.01
  5. Step 5: Solve for x
    x = 169,339,315.01/14,932.18
  6. Step 6: Final answer
    x = 11,340.57

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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.