Home / 14,916.86-20,584.71-8,202.09

Finding the Fourth Proportional to 14,916.86, 20,584.71 and 8,202.09

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Solution

The fourth proportional to 14,916.86, 20,584.71 and 8,202.09 is: 11,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,916.86 : 20,584.71 = 8,202.09 : x
  2. Step 2: Convert to fraction form
    14,916.86/20,584.71 = 8,202.09/x
  3. Step 3: Cross multiply
    14,916.86x = 20,584.71 × 8,202.09
  4. Step 4: Simplify right side
    14,916.86x = 168,837,644.04
  5. Step 5: Solve for x
    x = 168,837,644.04/14,916.86
  6. Step 6: Final answer
    x = 11,318.58

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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.