Home / 11,019.70-15,207.15-5,983.93

Finding the Fourth Proportional to 11,019.70, 15,207.15 and 5,983.93

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Solution

The fourth proportional to 11,019.70, 15,207.15 and 5,983.93 is: 8,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.70 : 15,207.15 = 5,983.93 : x
  2. Step 2: Convert to fraction form
    11,019.70/15,207.15 = 5,983.93/x
  3. Step 3: Cross multiply
    11,019.70x = 15,207.15 × 5,983.93
  4. Step 4: Simplify right side
    11,019.70x = 90,998,521.10
  5. Step 5: Solve for x
    x = 90,998,521.10/11,019.70
  6. Step 6: Final answer
    x = 8,257.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.