Home / 10,871.68-16,310.01-3,946.18

Finding the Fourth Proportional to 10,871.68, 16,310.01 and 3,946.18

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Solution

The fourth proportional to 10,871.68, 16,310.01 and 3,946.18 is: 5,920.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.68 : 16,310.01 = 3,946.18 : x
  2. Step 2: Convert to fraction form
    10,871.68/16,310.01 = 3,946.18/x
  3. Step 3: Cross multiply
    10,871.68x = 16,310.01 × 3,946.18
  4. Step 4: Simplify right side
    10,871.68x = 64,362,235.26
  5. Step 5: Solve for x
    x = 64,362,235.26/10,871.68
  6. Step 6: Final answer
    x = 5,920.17

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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.