Home / 10,118.54-15,179.82-3,099.54

Finding the Fourth Proportional to 10,118.54, 15,179.82 and 3,099.54

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Solution

The fourth proportional to 10,118.54, 15,179.82 and 3,099.54 is: 4,649.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.54 : 15,179.82 = 3,099.54 : x
  2. Step 2: Convert to fraction form
    10,118.54/15,179.82 = 3,099.54/x
  3. Step 3: Cross multiply
    10,118.54x = 15,179.82 × 3,099.54
  4. Step 4: Simplify right side
    10,118.54x = 47,050,459.28
  5. Step 5: Solve for x
    x = 47,050,459.28/10,118.54
  6. Step 6: Final answer
    x = 4,649.93

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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.