Home / 17,739.95-26,584.40-12,199.55

Finding the Fourth Proportional to 17,739.95, 26,584.40 and 12,199.55

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Solution

The fourth proportional to 17,739.95, 26,584.40 and 12,199.55 is: 18,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.95 : 26,584.40 = 12,199.55 : x
  2. Step 2: Convert to fraction form
    17,739.95/26,584.40 = 12,199.55/x
  3. Step 3: Cross multiply
    17,739.95x = 26,584.40 × 12,199.55
  4. Step 4: Simplify right side
    17,739.95x = 324,317,614.60
  5. Step 5: Solve for x
    x = 324,317,614.60/17,739.95
  6. Step 6: Final answer
    x = 18,281.77

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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.