Home / 15,077.25-20,806.62-8,788.41

Finding the Fourth Proportional to 15,077.25, 20,806.62 and 8,788.41

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Solution

The fourth proportional to 15,077.25, 20,806.62 and 8,788.41 is: 12,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.25 : 20,806.62 = 8,788.41 : x
  2. Step 2: Convert to fraction form
    15,077.25/20,806.62 = 8,788.41/x
  3. Step 3: Cross multiply
    15,077.25x = 20,806.62 × 8,788.41
  4. Step 4: Simplify right side
    15,077.25x = 182,857,107.27
  5. Step 5: Solve for x
    x = 182,857,107.27/15,077.25
  6. Step 6: Final answer
    x = 12,128.01

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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.