Home / 14,731.87-20,324.17-10,912.81

Finding the Fourth Proportional to 14,731.87, 20,324.17 and 10,912.81

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Solution

The fourth proportional to 14,731.87, 20,324.17 and 10,912.81 is: 15,055.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.87 : 20,324.17 = 10,912.81 : x
  2. Step 2: Convert to fraction form
    14,731.87/20,324.17 = 10,912.81/x
  3. Step 3: Cross multiply
    14,731.87x = 20,324.17 × 10,912.81
  4. Step 4: Simplify right side
    14,731.87x = 221,793,805.62
  5. Step 5: Solve for x
    x = 221,793,805.62/14,731.87
  6. Step 6: Final answer
    x = 15,055.37

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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.