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Finding the Fourth Proportional to 18,452.92, 25,465.14 and 10,069.48

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Solution

The fourth proportional to 18,452.92, 25,465.14 and 10,069.48 is: 13,895.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452.92 : 25,465.14 = 10,069.48 : x
  2. Step 2: Convert to fraction form
    18,452.92/25,465.14 = 10,069.48/x
  3. Step 3: Cross multiply
    18,452.92x = 25,465.14 × 10,069.48
  4. Step 4: Simplify right side
    18,452.92x = 256,420,717.93
  5. Step 5: Solve for x
    x = 256,420,717.93/18,452.92
  6. Step 6: Final answer
    x = 13,895.94

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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.