Home / 12,617.60-18,926.46-3,852.59

Finding the Fourth Proportional to 12,617.60, 18,926.46 and 3,852.59

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Solution

The fourth proportional to 12,617.60, 18,926.46 and 3,852.59 is: 5,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617.60 : 18,926.46 = 3,852.59 : x
  2. Step 2: Convert to fraction form
    12,617.60/18,926.46 = 3,852.59/x
  3. Step 3: Cross multiply
    12,617.60x = 18,926.46 × 3,852.59
  4. Step 4: Simplify right side
    12,617.60x = 72,915,795.90
  5. Step 5: Solve for x
    x = 72,915,795.90/12,617.60
  6. Step 6: Final answer
    x = 5,778.90

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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.