Home / 16,387.21-22,613.63-9,217.73

Finding the Fourth Proportional to 16,387.21, 22,613.63 and 9,217.73

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Solution

The fourth proportional to 16,387.21, 22,613.63 and 9,217.73 is: 12,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,387.21 : 22,613.63 = 9,217.73 : x
  2. Step 2: Convert to fraction form
    16,387.21/22,613.63 = 9,217.73/x
  3. Step 3: Cross multiply
    16,387.21x = 22,613.63 × 9,217.73
  4. Step 4: Simplify right side
    16,387.21x = 208,446,222.59
  5. Step 5: Solve for x
    x = 208,446,222.59/16,387.21
  6. Step 6: Final answer
    x = 12,720.06

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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.