Home / 12,166.59-18,247.46-4,372.77

Finding the Fourth Proportional to 12,166.59, 18,247.46 and 4,372.77

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Solution

The fourth proportional to 12,166.59, 18,247.46 and 4,372.77 is: 6,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.59 : 18,247.46 = 4,372.77 : x
  2. Step 2: Convert to fraction form
    12,166.59/18,247.46 = 4,372.77/x
  3. Step 3: Cross multiply
    12,166.59x = 18,247.46 × 4,372.77
  4. Step 4: Simplify right side
    12,166.59x = 79,791,923.80
  5. Step 5: Solve for x
    x = 79,791,923.80/12,166.59
  6. Step 6: Final answer
    x = 6,558.28

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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.