Home / 18,516.05-25,544.89-10,959.63

Finding the Fourth Proportional to 18,516.05, 25,544.89 and 10,959.63

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Solution

The fourth proportional to 18,516.05, 25,544.89 and 10,959.63 is: 15,119.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.05 : 25,544.89 = 10,959.63 : x
  2. Step 2: Convert to fraction form
    18,516.05/25,544.89 = 10,959.63/x
  3. Step 3: Cross multiply
    18,516.05x = 25,544.89 × 10,959.63
  4. Step 4: Simplify right side
    18,516.05x = 279,962,542.79
  5. Step 5: Solve for x
    x = 279,962,542.79/18,516.05
  6. Step 6: Final answer
    x = 15,119.99

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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.