Home / 13,450.39-20,089.52-12,182.04

Finding the Fourth Proportional to 13,450.39, 20,089.52 and 12,182.04

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Solution

The fourth proportional to 13,450.39, 20,089.52 and 12,182.04 is: 18,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.39 : 20,089.52 = 12,182.04 : x
  2. Step 2: Convert to fraction form
    13,450.39/20,089.52 = 12,182.04/x
  3. Step 3: Cross multiply
    13,450.39x = 20,089.52 × 12,182.04
  4. Step 4: Simplify right side
    13,450.39x = 244,731,320.99
  5. Step 5: Solve for x
    x = 244,731,320.99/13,450.39
  6. Step 6: Final answer
    x = 18,195.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.