Home / 14,596.45-20,145.30-8,223.64

Finding the Fourth Proportional to 14,596.45, 20,145.30 and 8,223.64

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Solution

The fourth proportional to 14,596.45, 20,145.30 and 8,223.64 is: 11,349.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,596.45 : 20,145.30 = 8,223.64 : x
  2. Step 2: Convert to fraction form
    14,596.45/20,145.30 = 8,223.64/x
  3. Step 3: Cross multiply
    14,596.45x = 20,145.30 × 8,223.64
  4. Step 4: Simplify right side
    14,596.45x = 165,667,694.89
  5. Step 5: Solve for x
    x = 165,667,694.89/14,596.45
  6. Step 6: Final answer
    x = 11,349.86

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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.