Home / 13,546.60-20,313.18-4,311.40

Finding the Fourth Proportional to 13,546.60, 20,313.18 and 4,311.40

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Solution

The fourth proportional to 13,546.60, 20,313.18 and 4,311.40 is: 6,464.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.60 : 20,313.18 = 4,311.40 : x
  2. Step 2: Convert to fraction form
    13,546.60/20,313.18 = 4,311.40/x
  3. Step 3: Cross multiply
    13,546.60x = 20,313.18 × 4,311.40
  4. Step 4: Simplify right side
    13,546.60x = 87,578,244.25
  5. Step 5: Solve for x
    x = 87,578,244.25/13,546.60
  6. Step 6: Final answer
    x = 6,464.96

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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.