Home / 13,209.93-19,785.83-12,482.06

Finding the Fourth Proportional to 13,209.93, 19,785.83 and 12,482.06

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Solution

The fourth proportional to 13,209.93, 19,785.83 and 12,482.06 is: 18,695.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.93 : 19,785.83 = 12,482.06 : x
  2. Step 2: Convert to fraction form
    13,209.93/19,785.83 = 12,482.06/x
  3. Step 3: Cross multiply
    13,209.93x = 19,785.83 × 12,482.06
  4. Step 4: Simplify right side
    13,209.93x = 246,967,755.87
  5. Step 5: Solve for x
    x = 246,967,755.87/13,209.93
  6. Step 6: Final answer
    x = 18,695.61

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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.