Home / 10,003.88-15,013.38-4,001.24

Finding the Fourth Proportional to 10,003.88, 15,013.38 and 4,001.24

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Solution

The fourth proportional to 10,003.88, 15,013.38 and 4,001.24 is: 6,004.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.88 : 15,013.38 = 4,001.24 : x
  2. Step 2: Convert to fraction form
    10,003.88/15,013.38 = 4,001.24/x
  3. Step 3: Cross multiply
    10,003.88x = 15,013.38 × 4,001.24
  4. Step 4: Simplify right side
    10,003.88x = 60,072,136.59
  5. Step 5: Solve for x
    x = 60,072,136.59/10,003.88
  6. Step 6: Final answer
    x = 6,004.88

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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.