Home / 11,450.71-17,176.38-3,130.84

Finding the Fourth Proportional to 11,450.71, 17,176.38 and 3,130.84

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Solution

The fourth proportional to 11,450.71, 17,176.38 and 3,130.84 is: 4,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,450.71 : 17,176.38 = 3,130.84 : x
  2. Step 2: Convert to fraction form
    11,450.71/17,176.38 = 3,130.84/x
  3. Step 3: Cross multiply
    11,450.71x = 17,176.38 × 3,130.84
  4. Step 4: Simplify right side
    11,450.71x = 53,776,497.56
  5. Step 5: Solve for x
    x = 53,776,497.56/11,450.71
  6. Step 6: Final answer
    x = 4,696.35

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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.