Home / 11,721.09-17,583-4,703.55

Finding the Fourth Proportional to 11,721.09, 17,583 and 4,703.55

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Solution

The fourth proportional to 11,721.09, 17,583 and 4,703.55 is: 7,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.09 : 17,583 = 4,703.55 : x
  2. Step 2: Convert to fraction form
    11,721.09/17,583 = 4,703.55/x
  3. Step 3: Cross multiply
    11,721.09x = 17,583 × 4,703.55
  4. Step 4: Simplify right side
    11,721.09x = 82,702,519.65
  5. Step 5: Solve for x
    x = 82,702,519.65/11,721.09
  6. Step 6: Final answer
    x = 7,055.87

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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.