Home / 14,598.43-20,145.98-8,311.21

Finding the Fourth Proportional to 14,598.43, 20,145.98 and 8,311.21

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Solution

The fourth proportional to 14,598.43, 20,145.98 and 8,311.21 is: 11,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,598.43 : 20,145.98 = 8,311.21 : x
  2. Step 2: Convert to fraction form
    14,598.43/20,145.98 = 8,311.21/x
  3. Step 3: Cross multiply
    14,598.43x = 20,145.98 × 8,311.21
  4. Step 4: Simplify right side
    14,598.43x = 167,437,440.85
  5. Step 5: Solve for x
    x = 167,437,440.85/14,598.43
  6. Step 6: Final answer
    x = 11,469.55

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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.