Home / 13,928.80-20,892.64-4,569.52

Finding the Fourth Proportional to 13,928.80, 20,892.64 and 4,569.52

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Solution

The fourth proportional to 13,928.80, 20,892.64 and 4,569.52 is: 6,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.80 : 20,892.64 = 4,569.52 : x
  2. Step 2: Convert to fraction form
    13,928.80/20,892.64 = 4,569.52/x
  3. Step 3: Cross multiply
    13,928.80x = 20,892.64 × 4,569.52
  4. Step 4: Simplify right side
    13,928.80x = 95,469,336.33
  5. Step 5: Solve for x
    x = 95,469,336.33/13,928.80
  6. Step 6: Final answer
    x = 6,854.10

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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.