Home / 10,018.59-15,028.89-3,443.91

Finding the Fourth Proportional to 10,018.59, 15,028.89 and 3,443.91

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Solution

The fourth proportional to 10,018.59, 15,028.89 and 3,443.91 is: 5,166.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.59 : 15,028.89 = 3,443.91 : x
  2. Step 2: Convert to fraction form
    10,018.59/15,028.89 = 3,443.91/x
  3. Step 3: Cross multiply
    10,018.59x = 15,028.89 × 3,443.91
  4. Step 4: Simplify right side
    10,018.59x = 51,758,144.56
  5. Step 5: Solve for x
    x = 51,758,144.56/10,018.59
  6. Step 6: Final answer
    x = 5,166.21

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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.