Home / 10,003.88-15,012.45-4,160.48

Finding the Fourth Proportional to 10,003.88, 15,012.45 and 4,160.48

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Solution

The fourth proportional to 10,003.88, 15,012.45 and 4,160.48 is: 6,243.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.88 : 15,012.45 = 4,160.48 : x
  2. Step 2: Convert to fraction form
    10,003.88/15,012.45 = 4,160.48/x
  3. Step 3: Cross multiply
    10,003.88x = 15,012.45 × 4,160.48
  4. Step 4: Simplify right side
    10,003.88x = 62,458,997.98
  5. Step 5: Solve for x
    x = 62,458,997.98/10,003.88
  6. Step 6: Final answer
    x = 6,243.48

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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.