Home / 13,928.35-20,892.71-4,569.09

Finding the Fourth Proportional to 13,928.35, 20,892.71 and 4,569.09

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Solution

The fourth proportional to 13,928.35, 20,892.71 and 4,569.09 is: 6,853.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.35 : 20,892.71 = 4,569.09 : x
  2. Step 2: Convert to fraction form
    13,928.35/20,892.71 = 4,569.09/x
  3. Step 3: Cross multiply
    13,928.35x = 20,892.71 × 4,569.09
  4. Step 4: Simplify right side
    13,928.35x = 95,460,621.94
  5. Step 5: Solve for x
    x = 95,460,621.94/13,928.35
  6. Step 6: Final answer
    x = 6,853.69

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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.