Home / 10,004.78-15,007.17-2,609.23

Finding the Fourth Proportional to 10,004.78, 15,007.17 and 2,609.23

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Solution

The fourth proportional to 10,004.78, 15,007.17 and 2,609.23 is: 3,913.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004.78 : 15,007.17 = 2,609.23 : x
  2. Step 2: Convert to fraction form
    10,004.78/15,007.17 = 2,609.23/x
  3. Step 3: Cross multiply
    10,004.78x = 15,007.17 × 2,609.23
  4. Step 4: Simplify right side
    10,004.78x = 39,157,083.14
  5. Step 5: Solve for x
    x = 39,157,083.14/10,004.78
  6. Step 6: Final answer
    x = 3,913.84

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.