Home / 13,004.43-19,517.58-12,184.31

Finding the Fourth Proportional to 13,004.43, 19,517.58 and 12,184.31

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Solution

The fourth proportional to 13,004.43, 19,517.58 and 12,184.31 is: 18,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004.43 : 19,517.58 = 12,184.31 : x
  2. Step 2: Convert to fraction form
    13,004.43/19,517.58 = 12,184.31/x
  3. Step 3: Cross multiply
    13,004.43x = 19,517.58 × 12,184.31
  4. Step 4: Simplify right side
    13,004.43x = 237,808,147.58
  5. Step 5: Solve for x
    x = 237,808,147.58/13,004.43
  6. Step 6: Final answer
    x = 18,286.70

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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.