Home / 11,037.80-16,556.70-8,445.80

Finding the Fourth Proportional to 11,037.80, 16,556.70 and 8,445.80

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Solution

The fourth proportional to 11,037.80, 16,556.70 and 8,445.80 is: 12,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,037.80 : 16,556.70 = 8,445.80 : x
  2. Step 2: Convert to fraction form
    11,037.80/16,556.70 = 8,445.80/x
  3. Step 3: Cross multiply
    11,037.80x = 16,556.70 × 8,445.80
  4. Step 4: Simplify right side
    11,037.80x = 139,834,576.86
  5. Step 5: Solve for x
    x = 139,834,576.86/11,037.80
  6. Step 6: Final answer
    x = 12,668.70

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Double scale
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Similar ratio
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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.