Home / 18,950.33-28,426.71-5,811.86

Finding the Fourth Proportional to 18,950.33, 28,426.71 and 5,811.86

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Solution

The fourth proportional to 18,950.33, 28,426.71 and 5,811.86 is: 8,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.33 : 28,426.71 = 5,811.86 : x
  2. Step 2: Convert to fraction form
    18,950.33/28,426.71 = 5,811.86/x
  3. Step 3: Cross multiply
    18,950.33x = 28,426.71 × 5,811.86
  4. Step 4: Simplify right side
    18,950.33x = 165,212,058.78
  5. Step 5: Solve for x
    x = 165,212,058.78/18,950.33
  6. Step 6: Final answer
    x = 8,718.16

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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.