Home / 13,614.21-18,744.60-12,368.49

Finding the Fourth Proportional to 13,614.21, 18,744.60 and 12,368.49

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Solution

The fourth proportional to 13,614.21, 18,744.60 and 12,368.49 is: 17,029.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.21 : 18,744.60 = 12,368.49 : x
  2. Step 2: Convert to fraction form
    13,614.21/18,744.60 = 12,368.49/x
  3. Step 3: Cross multiply
    13,614.21x = 18,744.60 × 12,368.49
  4. Step 4: Simplify right side
    13,614.21x = 231,842,397.65
  5. Step 5: Solve for x
    x = 231,842,397.65/13,614.21
  6. Step 6: Final answer
    x = 17,029.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.