Home / 10,240.08-15,356.85-3,998.58

Finding the Fourth Proportional to 10,240.08, 15,356.85 and 3,998.58

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Solution

The fourth proportional to 10,240.08, 15,356.85 and 3,998.58 is: 5,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.08 : 15,356.85 = 3,998.58 : x
  2. Step 2: Convert to fraction form
    10,240.08/15,356.85 = 3,998.58/x
  3. Step 3: Cross multiply
    10,240.08x = 15,356.85 × 3,998.58
  4. Step 4: Simplify right side
    10,240.08x = 61,405,593.27
  5. Step 5: Solve for x
    x = 61,405,593.27/10,240.08
  6. Step 6: Final answer
    x = 5,996.59

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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.