Home / 13,929.30-20,894.93-5,609.35

Finding the Fourth Proportional to 13,929.30, 20,894.93 and 5,609.35

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Solution

The fourth proportional to 13,929.30, 20,894.93 and 5,609.35 is: 8,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.30 : 20,894.93 = 5,609.35 : x
  2. Step 2: Convert to fraction form
    13,929.30/20,894.93 = 5,609.35/x
  3. Step 3: Cross multiply
    13,929.30x = 20,894.93 × 5,609.35
  4. Step 4: Simplify right side
    13,929.30x = 117,206,994.70
  5. Step 5: Solve for x
    x = 117,206,994.70/13,929.30
  6. Step 6: Final answer
    x = 8,414.42

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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.