Home / 17,617.40-26,375.31-11,700.19

Finding the Fourth Proportional to 17,617.40, 26,375.31 and 11,700.19

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Solution

The fourth proportional to 17,617.40, 26,375.31 and 11,700.19 is: 17,516.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.40 : 26,375.31 = 11,700.19 : x
  2. Step 2: Convert to fraction form
    17,617.40/26,375.31 = 11,700.19/x
  3. Step 3: Cross multiply
    17,617.40x = 26,375.31 × 11,700.19
  4. Step 4: Simplify right side
    17,617.40x = 308,596,072.37
  5. Step 5: Solve for x
    x = 308,596,072.37/17,617.40
  6. Step 6: Final answer
    x = 17,516.56

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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.