Home / 20,544.83-28,353.14-11,589.06

Finding the Fourth Proportional to 20,544.83, 28,353.14 and 11,589.06

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Solution

The fourth proportional to 20,544.83, 28,353.14 and 11,589.06 is: 15,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.83 : 28,353.14 = 11,589.06 : x
  2. Step 2: Convert to fraction form
    20,544.83/28,353.14 = 11,589.06/x
  3. Step 3: Cross multiply
    20,544.83x = 28,353.14 × 11,589.06
  4. Step 4: Simplify right side
    20,544.83x = 328,586,240.65
  5. Step 5: Solve for x
    x = 328,586,240.65/20,544.83
  6. Step 6: Final answer
    x = 15,993.62

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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.