Home / 13,895.57-20,817.20-6,867.41

Finding the Fourth Proportional to 13,895.57, 20,817.20 and 6,867.41

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Solution

The fourth proportional to 13,895.57, 20,817.20 and 6,867.41 is: 10,288.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.57 : 20,817.20 = 6,867.41 : x
  2. Step 2: Convert to fraction form
    13,895.57/20,817.20 = 6,867.41/x
  3. Step 3: Cross multiply
    13,895.57x = 20,817.20 × 6,867.41
  4. Step 4: Simplify right side
    13,895.57x = 142,960,109.03
  5. Step 5: Solve for x
    x = 142,960,109.03/13,895.57
  6. Step 6: Final answer
    x = 10,288.18

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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.