Home / 12,609.51-18,914.21-3,844.40

Finding the Fourth Proportional to 12,609.51, 18,914.21 and 3,844.40

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Solution

The fourth proportional to 12,609.51, 18,914.21 and 3,844.40 is: 5,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609.51 : 18,914.21 = 3,844.40 : x
  2. Step 2: Convert to fraction form
    12,609.51/18,914.21 = 3,844.40/x
  3. Step 3: Cross multiply
    12,609.51x = 18,914.21 × 3,844.40
  4. Step 4: Simplify right side
    12,609.51x = 72,713,689.55
  5. Step 5: Solve for x
    x = 72,713,689.55/12,609.51
  6. Step 6: Final answer
    x = 5,766.58

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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.