Home / 10,335.09-15,493.56-4,099.49

Finding the Fourth Proportional to 10,335.09, 15,493.56 and 4,099.49

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Solution

The fourth proportional to 10,335.09, 15,493.56 and 4,099.49 is: 6,145.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,335.09 : 15,493.56 = 4,099.49 : x
  2. Step 2: Convert to fraction form
    10,335.09/15,493.56 = 4,099.49/x
  3. Step 3: Cross multiply
    10,335.09x = 15,493.56 × 4,099.49
  4. Step 4: Simplify right side
    10,335.09x = 63,515,616.82
  5. Step 5: Solve for x
    x = 63,515,616.82/10,335.09
  6. Step 6: Final answer
    x = 6,145.63

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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.