Home / 18,516.82-25,552.60-10,561.62

Finding the Fourth Proportional to 18,516.82, 25,552.60 and 10,561.62

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Solution

The fourth proportional to 18,516.82, 25,552.60 and 10,561.62 is: 14,574.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.82 : 25,552.60 = 10,561.62 : x
  2. Step 2: Convert to fraction form
    18,516.82/25,552.60 = 10,561.62/x
  3. Step 3: Cross multiply
    18,516.82x = 25,552.60 × 10,561.62
  4. Step 4: Simplify right side
    18,516.82x = 269,876,851.21
  5. Step 5: Solve for x
    x = 269,876,851.21/18,516.82
  6. Step 6: Final answer
    x = 14,574.69

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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.