Home / 13,753.80-18,937.08-12,137.04

Finding the Fourth Proportional to 13,753.80, 18,937.08 and 12,137.04

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Solution

The fourth proportional to 13,753.80, 18,937.08 and 12,137.04 is: 16,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.80 : 18,937.08 = 12,137.04 : x
  2. Step 2: Convert to fraction form
    13,753.80/18,937.08 = 12,137.04/x
  3. Step 3: Cross multiply
    13,753.80x = 18,937.08 × 12,137.04
  4. Step 4: Simplify right side
    13,753.80x = 229,840,097.44
  5. Step 5: Solve for x
    x = 229,840,097.44/13,753.80
  6. Step 6: Final answer
    x = 16,711.03

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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.