Home / 19,905.60-29,858.88-6,757.86

Finding the Fourth Proportional to 19,905.60, 29,858.88 and 6,757.86

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Solution

The fourth proportional to 19,905.60, 29,858.88 and 6,757.86 is: 10,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.60 : 29,858.88 = 6,757.86 : x
  2. Step 2: Convert to fraction form
    19,905.60/29,858.88 = 6,757.86/x
  3. Step 3: Cross multiply
    19,905.60x = 29,858.88 × 6,757.86
  4. Step 4: Simplify right side
    19,905.60x = 201,782,130.80
  5. Step 5: Solve for x
    x = 201,782,130.80/19,905.60
  6. Step 6: Final answer
    x = 10,136.95

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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.