Home / 10,237.78-15,358.65-3,997.54

Finding the Fourth Proportional to 10,237.78, 15,358.65 and 3,997.54

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Solution

The fourth proportional to 10,237.78, 15,358.65 and 3,997.54 is: 5,997.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237.78 : 15,358.65 = 3,997.54 : x
  2. Step 2: Convert to fraction form
    10,237.78/15,358.65 = 3,997.54/x
  3. Step 3: Cross multiply
    10,237.78x = 15,358.65 × 3,997.54
  4. Step 4: Simplify right side
    10,237.78x = 61,396,817.72
  5. Step 5: Solve for x
    x = 61,396,817.72/10,237.78
  6. Step 6: Final answer
    x = 5,997.08

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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.