Home / 15,676.45-21,633.49-8,962.23

Finding the Fourth Proportional to 15,676.45, 21,633.49 and 8,962.23

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Solution

The fourth proportional to 15,676.45, 21,633.49 and 8,962.23 is: 12,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,676.45 : 21,633.49 = 8,962.23 : x
  2. Step 2: Convert to fraction form
    15,676.45/21,633.49 = 8,962.23/x
  3. Step 3: Cross multiply
    15,676.45x = 21,633.49 × 8,962.23
  4. Step 4: Simplify right side
    15,676.45x = 193,884,313.08
  5. Step 5: Solve for x
    x = 193,884,313.08/15,676.45
  6. Step 6: Final answer
    x = 12,367.87

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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.