Home / 10,821.81-14,935.41-6,846.96

Finding the Fourth Proportional to 10,821.81, 14,935.41 and 6,846.96

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Solution

The fourth proportional to 10,821.81, 14,935.41 and 6,846.96 is: 9,449.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.81 : 14,935.41 = 6,846.96 : x
  2. Step 2: Convert to fraction form
    10,821.81/14,935.41 = 6,846.96/x
  3. Step 3: Cross multiply
    10,821.81x = 14,935.41 × 6,846.96
  4. Step 4: Simplify right side
    10,821.81x = 102,262,154.85
  5. Step 5: Solve for x
    x = 102,262,154.85/10,821.81
  6. Step 6: Final answer
    x = 9,449.64

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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.