Home / 15,993.09-23,986.80-9,411.57

Finding the Fourth Proportional to 15,993.09, 23,986.80 and 9,411.57

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Solution

The fourth proportional to 15,993.09, 23,986.80 and 9,411.57 is: 14,115.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.09 : 23,986.80 = 9,411.57 : x
  2. Step 2: Convert to fraction form
    15,993.09/23,986.80 = 9,411.57/x
  3. Step 3: Cross multiply
    15,993.09x = 23,986.80 × 9,411.57
  4. Step 4: Simplify right side
    15,993.09x = 225,753,447.28
  5. Step 5: Solve for x
    x = 225,753,447.28/15,993.09
  6. Step 6: Final answer
    x = 14,115.69

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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.