Home / 13,797.57-20,690.28-3,934.62

Finding the Fourth Proportional to 13,797.57, 20,690.28 and 3,934.62

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Solution

The fourth proportional to 13,797.57, 20,690.28 and 3,934.62 is: 5,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.57 : 20,690.28 = 3,934.62 : x
  2. Step 2: Convert to fraction form
    13,797.57/20,690.28 = 3,934.62/x
  3. Step 3: Cross multiply
    13,797.57x = 20,690.28 × 3,934.62
  4. Step 4: Simplify right side
    13,797.57x = 81,408,389.49
  5. Step 5: Solve for x
    x = 81,408,389.49/13,797.57
  6. Step 6: Final answer
    x = 5,900.20

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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.