Home / 13,928.76-20,865.80-8,073.07

Finding the Fourth Proportional to 13,928.76, 20,865.80 and 8,073.07

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Solution

The fourth proportional to 13,928.76, 20,865.80 and 8,073.07 is: 12,093.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.76 : 20,865.80 = 8,073.07 : x
  2. Step 2: Convert to fraction form
    13,928.76/20,865.80 = 8,073.07/x
  3. Step 3: Cross multiply
    13,928.76x = 20,865.80 × 8,073.07
  4. Step 4: Simplify right side
    13,928.76x = 168,451,032.02
  5. Step 5: Solve for x
    x = 168,451,032.02/13,928.76
  6. Step 6: Final answer
    x = 12,093.76

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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.