Home / 11,604.31-17,400.61-5,681.65

Finding the Fourth Proportional to 11,604.31, 17,400.61 and 5,681.65

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Solution

The fourth proportional to 11,604.31, 17,400.61 and 5,681.65 is: 8,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,604.31 : 17,400.61 = 5,681.65 : x
  2. Step 2: Convert to fraction form
    11,604.31/17,400.61 = 5,681.65/x
  3. Step 3: Cross multiply
    11,604.31x = 17,400.61 × 5,681.65
  4. Step 4: Simplify right side
    11,604.31x = 98,864,175.81
  5. Step 5: Solve for x
    x = 98,864,175.81/11,604.31
  6. Step 6: Final answer
    x = 8,519.61

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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.