Home / 13,929.32-20,894.69-4,069.35

Finding the Fourth Proportional to 13,929.32, 20,894.69 and 4,069.35

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Solution

The fourth proportional to 13,929.32, 20,894.69 and 4,069.35 is: 6,104.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.32 : 20,894.69 = 4,069.35 : x
  2. Step 2: Convert to fraction form
    13,929.32/20,894.69 = 4,069.35/x
  3. Step 3: Cross multiply
    13,929.32x = 20,894.69 × 4,069.35
  4. Step 4: Simplify right side
    13,929.32x = 85,027,816.92
  5. Step 5: Solve for x
    x = 85,027,816.92/13,929.32
  6. Step 6: Final answer
    x = 6,104.23

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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.