Home / 8,949.14-13,423.30-3,106.21

Finding the Fourth Proportional to 8,949.14, 13,423.30 and 3,106.21

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Solution

The fourth proportional to 8,949.14, 13,423.30 and 3,106.21 is: 4,659.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.14 : 13,423.30 = 3,106.21 : x
  2. Step 2: Convert to fraction form
    8,949.14/13,423.30 = 3,106.21/x
  3. Step 3: Cross multiply
    8,949.14x = 13,423.30 × 3,106.21
  4. Step 4: Simplify right side
    8,949.14x = 41,695,588.69
  5. Step 5: Solve for x
    x = 41,695,588.69/8,949.14
  6. Step 6: Final answer
    x = 4,659.17

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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.