Home / 13,361.21-20,042.86-4,476.57

Finding the Fourth Proportional to 13,361.21, 20,042.86 and 4,476.57

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Solution

The fourth proportional to 13,361.21, 20,042.86 and 4,476.57 is: 6,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.21 : 20,042.86 = 4,476.57 : x
  2. Step 2: Convert to fraction form
    13,361.21/20,042.86 = 4,476.57/x
  3. Step 3: Cross multiply
    13,361.21x = 20,042.86 × 4,476.57
  4. Step 4: Simplify right side
    13,361.21x = 89,723,265.79
  5. Step 5: Solve for x
    x = 89,723,265.79/13,361.21
  6. Step 6: Final answer
    x = 6,715.21

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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.