Home / 13,175.82-19,763.62-5,379.16

Finding the Fourth Proportional to 13,175.82, 19,763.62 and 5,379.16

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Solution

The fourth proportional to 13,175.82, 19,763.62 and 5,379.16 is: 8,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.82 : 19,763.62 = 5,379.16 : x
  2. Step 2: Convert to fraction form
    13,175.82/19,763.62 = 5,379.16/x
  3. Step 3: Cross multiply
    13,175.82x = 19,763.62 × 5,379.16
  4. Step 4: Simplify right side
    13,175.82x = 106,311,674.16
  5. Step 5: Solve for x
    x = 106,311,674.16/13,175.82
  6. Step 6: Final answer
    x = 8,068.70

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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.