Home / 14,743.78-20,310.68-10,960.40

Finding the Fourth Proportional to 14,743.78, 20,310.68 and 10,960.40

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Solution

The fourth proportional to 14,743.78, 20,310.68 and 10,960.40 is: 15,098.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.78 : 20,310.68 = 10,960.40 : x
  2. Step 2: Convert to fraction form
    14,743.78/20,310.68 = 10,960.40/x
  3. Step 3: Cross multiply
    14,743.78x = 20,310.68 × 10,960.40
  4. Step 4: Simplify right side
    14,743.78x = 222,613,255.25
  5. Step 5: Solve for x
    x = 222,613,255.25/14,743.78
  6. Step 6: Final answer
    x = 15,098.79

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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.