Home / 12,227.26-18,341.90-3,908.46

Finding the Fourth Proportional to 12,227.26, 18,341.90 and 3,908.46

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Solution

The fourth proportional to 12,227.26, 18,341.90 and 3,908.46 is: 5,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.26 : 18,341.90 = 3,908.46 : x
  2. Step 2: Convert to fraction form
    12,227.26/18,341.90 = 3,908.46/x
  3. Step 3: Cross multiply
    12,227.26x = 18,341.90 × 3,908.46
  4. Step 4: Simplify right side
    12,227.26x = 71,688,582.47
  5. Step 5: Solve for x
    x = 71,688,582.47/12,227.26
  6. Step 6: Final answer
    x = 5,863.01

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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.