Home / 10,238.90-15,357.63-3,997.76

Finding the Fourth Proportional to 10,238.90, 15,357.63 and 3,997.76

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Solution

The fourth proportional to 10,238.90, 15,357.63 and 3,997.76 is: 5,996.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,238.90 : 15,357.63 = 3,997.76 : x
  2. Step 2: Convert to fraction form
    10,238.90/15,357.63 = 3,997.76/x
  3. Step 3: Cross multiply
    10,238.90x = 15,357.63 × 3,997.76
  4. Step 4: Simplify right side
    10,238.90x = 61,396,118.91
  5. Step 5: Solve for x
    x = 61,396,118.91/10,238.90
  6. Step 6: Final answer
    x = 5,996.36

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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.