Home / 11,415.17-17,122.70-4,018.79

Finding the Fourth Proportional to 11,415.17, 17,122.70 and 4,018.79

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Solution

The fourth proportional to 11,415.17, 17,122.70 and 4,018.79 is: 6,028.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.17 : 17,122.70 = 4,018.79 : x
  2. Step 2: Convert to fraction form
    11,415.17/17,122.70 = 4,018.79/x
  3. Step 3: Cross multiply
    11,415.17x = 17,122.70 × 4,018.79
  4. Step 4: Simplify right side
    11,415.17x = 68,812,429.83
  5. Step 5: Solve for x
    x = 68,812,429.83/11,415.17
  6. Step 6: Final answer
    x = 6,028.16

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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.