Home / 10,170.78-15,256.20-3,593.40

Finding the Fourth Proportional to 10,170.78, 15,256.20 and 3,593.40

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Solution

The fourth proportional to 10,170.78, 15,256.20 and 3,593.40 is: 5,390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170.78 : 15,256.20 = 3,593.40 : x
  2. Step 2: Convert to fraction form
    10,170.78/15,256.20 = 3,593.40/x
  3. Step 3: Cross multiply
    10,170.78x = 15,256.20 × 3,593.40
  4. Step 4: Simplify right side
    10,170.78x = 54,821,629.08
  5. Step 5: Solve for x
    x = 54,821,629.08/10,170.78
  6. Step 6: Final answer
    x = 5,390.11

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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.