Home / 12,516.82-17,279.46-7,210.62

Finding the Fourth Proportional to 12,516.82, 17,279.46 and 7,210.62

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Solution

The fourth proportional to 12,516.82, 17,279.46 and 7,210.62 is: 9,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516.82 : 17,279.46 = 7,210.62 : x
  2. Step 2: Convert to fraction form
    12,516.82/17,279.46 = 7,210.62/x
  3. Step 3: Cross multiply
    12,516.82x = 17,279.46 × 7,210.62
  4. Step 4: Simplify right side
    12,516.82x = 124,595,619.87
  5. Step 5: Solve for x
    x = 124,595,619.87/12,516.82
  6. Step 6: Final answer
    x = 9,954.26

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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.