Home / 10,935.69-15,092.37-6,219.87

Finding the Fourth Proportional to 10,935.69, 15,092.37 and 6,219.87

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Solution

The fourth proportional to 10,935.69, 15,092.37 and 6,219.87 is: 8,584.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.69 : 15,092.37 = 6,219.87 : x
  2. Step 2: Convert to fraction form
    10,935.69/15,092.37 = 6,219.87/x
  3. Step 3: Cross multiply
    10,935.69x = 15,092.37 × 6,219.87
  4. Step 4: Simplify right side
    10,935.69x = 93,872,579.39
  5. Step 5: Solve for x
    x = 93,872,579.39/10,935.69
  6. Step 6: Final answer
    x = 8,584.06

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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.