Home / 18,691.43-25,794.99-10,736.15

Finding the Fourth Proportional to 18,691.43, 25,794.99 and 10,736.15

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Solution

The fourth proportional to 18,691.43, 25,794.99 and 10,736.15 is: 14,816.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,691.43 : 25,794.99 = 10,736.15 : x
  2. Step 2: Convert to fraction form
    18,691.43/25,794.99 = 10,736.15/x
  3. Step 3: Cross multiply
    18,691.43x = 25,794.99 × 10,736.15
  4. Step 4: Simplify right side
    18,691.43x = 276,938,752.91
  5. Step 5: Solve for x
    x = 276,938,752.91/18,691.43
  6. Step 6: Final answer
    x = 14,816.35

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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.