Home / 13,634.45-20,461.09-8,956.70

Finding the Fourth Proportional to 13,634.45, 20,461.09 and 8,956.70

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Solution

The fourth proportional to 13,634.45, 20,461.09 and 8,956.70 is: 13,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.45 : 20,461.09 = 8,956.70 : x
  2. Step 2: Convert to fraction form
    13,634.45/20,461.09 = 8,956.70/x
  3. Step 3: Cross multiply
    13,634.45x = 20,461.09 × 8,956.70
  4. Step 4: Simplify right side
    13,634.45x = 183,263,720.11
  5. Step 5: Solve for x
    x = 183,263,720.11/13,634.45
  6. Step 6: Final answer
    x = 13,441.23

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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.