Home / 14,491.05-20,007.25-11,127.83

Finding the Fourth Proportional to 14,491.05, 20,007.25 and 11,127.83

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Solution

The fourth proportional to 14,491.05, 20,007.25 and 11,127.83 is: 15,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.05 : 20,007.25 = 11,127.83 : x
  2. Step 2: Convert to fraction form
    14,491.05/20,007.25 = 11,127.83/x
  3. Step 3: Cross multiply
    14,491.05x = 20,007.25 × 11,127.83
  4. Step 4: Simplify right side
    14,491.05x = 222,637,324.05
  5. Step 5: Solve for x
    x = 222,637,324.05/14,491.05
  6. Step 6: Final answer
    x = 15,363.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.