Home / 10,018.86-15,028.98-3,449.67

Finding the Fourth Proportional to 10,018.86, 15,028.98 and 3,449.67

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Solution

The fourth proportional to 10,018.86, 15,028.98 and 3,449.67 is: 5,174.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.86 : 15,028.98 = 3,449.67 : x
  2. Step 2: Convert to fraction form
    10,018.86/15,028.98 = 3,449.67/x
  3. Step 3: Cross multiply
    10,018.86x = 15,028.98 × 3,449.67
  4. Step 4: Simplify right side
    10,018.86x = 51,845,021.44
  5. Step 5: Solve for x
    x = 51,845,021.44/10,018.86
  6. Step 6: Final answer
    x = 5,174.74

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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.