Home / 10,389.62-14,335.79-6,141.37

Finding the Fourth Proportional to 10,389.62, 14,335.79 and 6,141.37

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Solution

The fourth proportional to 10,389.62, 14,335.79 and 6,141.37 is: 8,473.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.62 : 14,335.79 = 6,141.37 : x
  2. Step 2: Convert to fraction form
    10,389.62/14,335.79 = 6,141.37/x
  3. Step 3: Cross multiply
    10,389.62x = 14,335.79 × 6,141.37
  4. Step 4: Simplify right side
    10,389.62x = 88,041,350.97
  5. Step 5: Solve for x
    x = 88,041,350.97/10,389.62
  6. Step 6: Final answer
    x = 8,473.97

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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.