Home / 14,756.45-22,120.29-8,168.85

Finding the Fourth Proportional to 14,756.45, 22,120.29 and 8,168.85

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Solution

The fourth proportional to 14,756.45, 22,120.29 and 8,168.85 is: 12,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,756.45 : 22,120.29 = 8,168.85 : x
  2. Step 2: Convert to fraction form
    14,756.45/22,120.29 = 8,168.85/x
  3. Step 3: Cross multiply
    14,756.45x = 22,120.29 × 8,168.85
  4. Step 4: Simplify right side
    14,756.45x = 180,697,330.97
  5. Step 5: Solve for x
    x = 180,697,330.97/14,756.45
  6. Step 6: Final answer
    x = 12,245.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.