Home / 13,372.21-18,459.80-9,546.85

Finding the Fourth Proportional to 13,372.21, 18,459.80 and 9,546.85

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Solution

The fourth proportional to 13,372.21, 18,459.80 and 9,546.85 is: 13,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.21 : 18,459.80 = 9,546.85 : x
  2. Step 2: Convert to fraction form
    13,372.21/18,459.80 = 9,546.85/x
  3. Step 3: Cross multiply
    13,372.21x = 18,459.80 × 9,546.85
  4. Step 4: Simplify right side
    13,372.21x = 176,232,941.63
  5. Step 5: Solve for x
    x = 176,232,941.63/13,372.21
  6. Step 6: Final answer
    x = 13,179.04

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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.