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Finding the Fourth Proportional to 10,800.58, 16,203.06 and 4,136.60

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Solution

The fourth proportional to 10,800.58, 16,203.06 and 4,136.60 is: 6,205.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.58 : 16,203.06 = 4,136.60 : x
  2. Step 2: Convert to fraction form
    10,800.58/16,203.06 = 4,136.60/x
  3. Step 3: Cross multiply
    10,800.58x = 16,203.06 × 4,136.60
  4. Step 4: Simplify right side
    10,800.58x = 67,025,578.00
  5. Step 5: Solve for x
    x = 67,025,578.00/10,800.58
  6. Step 6: Final answer
    x = 6,205.74

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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.