Home / 14,635.49-20,202.21-8,667.20

Finding the Fourth Proportional to 14,635.49, 20,202.21 and 8,667.20

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Solution

The fourth proportional to 14,635.49, 20,202.21 and 8,667.20 is: 11,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.49 : 20,202.21 = 8,667.20 : x
  2. Step 2: Convert to fraction form
    14,635.49/20,202.21 = 8,667.20/x
  3. Step 3: Cross multiply
    14,635.49x = 20,202.21 × 8,667.20
  4. Step 4: Simplify right side
    14,635.49x = 175,096,645.02
  5. Step 5: Solve for x
    x = 175,096,645.02/14,635.49
  6. Step 6: Final answer
    x = 11,963.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.