Home / 11,612.81-17,426.14-4,217.85

Finding the Fourth Proportional to 11,612.81, 17,426.14 and 4,217.85

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Solution

The fourth proportional to 11,612.81, 17,426.14 and 4,217.85 is: 6,329.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.81 : 17,426.14 = 4,217.85 : x
  2. Step 2: Convert to fraction form
    11,612.81/17,426.14 = 4,217.85/x
  3. Step 3: Cross multiply
    11,612.81x = 17,426.14 × 4,217.85
  4. Step 4: Simplify right side
    11,612.81x = 73,500,844.60
  5. Step 5: Solve for x
    x = 73,500,844.60/11,612.81
  6. Step 6: Final answer
    x = 6,329.29

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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.