Home / 13,749.20-20,624.12-3,361.04

Finding the Fourth Proportional to 13,749.20, 20,624.12 and 3,361.04

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Solution

The fourth proportional to 13,749.20, 20,624.12 and 3,361.04 is: 5,041.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.20 : 20,624.12 = 3,361.04 : x
  2. Step 2: Convert to fraction form
    13,749.20/20,624.12 = 3,361.04/x
  3. Step 3: Cross multiply
    13,749.20x = 20,624.12 × 3,361.04
  4. Step 4: Simplify right side
    13,749.20x = 69,318,492.28
  5. Step 5: Solve for x
    x = 69,318,492.28/13,749.20
  6. Step 6: Final answer
    x = 5,041.64

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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.