Home / 12,256.60-18,377.96-11,211.70

Finding the Fourth Proportional to 12,256.60, 18,377.96 and 11,211.70

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Solution

The fourth proportional to 12,256.60, 18,377.96 and 11,211.70 is: 16,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.60 : 18,377.96 = 11,211.70 : x
  2. Step 2: Convert to fraction form
    12,256.60/18,377.96 = 11,211.70/x
  3. Step 3: Cross multiply
    12,256.60x = 18,377.96 × 11,211.70
  4. Step 4: Simplify right side
    12,256.60x = 206,048,174.13
  5. Step 5: Solve for x
    x = 206,048,174.13/12,256.60
  6. Step 6: Final answer
    x = 16,811.20

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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.