Home / 11,307.60-16,961.40-3,099.60

Finding the Fourth Proportional to 11,307.60, 16,961.40 and 3,099.60

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Solution

The fourth proportional to 11,307.60, 16,961.40 and 3,099.60 is: 4,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.60 : 16,961.40 = 3,099.60 : x
  2. Step 2: Convert to fraction form
    11,307.60/16,961.40 = 3,099.60/x
  3. Step 3: Cross multiply
    11,307.60x = 16,961.40 × 3,099.60
  4. Step 4: Simplify right side
    11,307.60x = 52,573,555.44
  5. Step 5: Solve for x
    x = 52,573,555.44/11,307.60
  6. Step 6: Final answer
    x = 4,649.40

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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.