Home / 14,595.45-20,143.92-8,222.64

Finding the Fourth Proportional to 14,595.45, 20,143.92 and 8,222.64

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Solution

The fourth proportional to 14,595.45, 20,143.92 and 8,222.64 is: 11,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.45 : 20,143.92 = 8,222.64 : x
  2. Step 2: Convert to fraction form
    14,595.45/20,143.92 = 8,222.64/x
  3. Step 3: Cross multiply
    14,595.45x = 20,143.92 × 8,222.64
  4. Step 4: Simplify right side
    14,595.45x = 165,636,202.35
  5. Step 5: Solve for x
    x = 165,636,202.35/14,595.45
  6. Step 6: Final answer
    x = 11,348.48

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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.