Home / 18,974.25-28,465.02-8,586

Finding the Fourth Proportional to 18,974.25, 28,465.02 and 8,586

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Solution

The fourth proportional to 18,974.25, 28,465.02 and 8,586 is: 12,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.25 : 28,465.02 = 8,586 : x
  2. Step 2: Convert to fraction form
    18,974.25/28,465.02 = 8,586/x
  3. Step 3: Cross multiply
    18,974.25x = 28,465.02 × 8,586
  4. Step 4: Simplify right side
    18,974.25x = 244,400,661.72
  5. Step 5: Solve for x
    x = 244,400,661.72/18,974.25
  6. Step 6: Final answer
    x = 12,880.65

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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.