Home / 10,784.84-16,177.26-3,389.94

Finding the Fourth Proportional to 10,784.84, 16,177.26 and 3,389.94

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Solution

The fourth proportional to 10,784.84, 16,177.26 and 3,389.94 is: 5,084.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.84 : 16,177.26 = 3,389.94 : x
  2. Step 2: Convert to fraction form
    10,784.84/16,177.26 = 3,389.94/x
  3. Step 3: Cross multiply
    10,784.84x = 16,177.26 × 3,389.94
  4. Step 4: Simplify right side
    10,784.84x = 54,839,953.48
  5. Step 5: Solve for x
    x = 54,839,953.48/10,784.84
  6. Step 6: Final answer
    x = 5,084.91

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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.