Home / 10,784.80-16,177.19-6,839.99

Finding the Fourth Proportional to 10,784.80, 16,177.19 and 6,839.99

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Solution

The fourth proportional to 10,784.80, 16,177.19 and 6,839.99 is: 10,259.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.80 : 16,177.19 = 6,839.99 : x
  2. Step 2: Convert to fraction form
    10,784.80/16,177.19 = 6,839.99/x
  3. Step 3: Cross multiply
    10,784.80x = 16,177.19 × 6,839.99
  4. Step 4: Simplify right side
    10,784.80x = 110,651,817.83
  5. Step 5: Solve for x
    x = 110,651,817.83/10,784.80
  6. Step 6: Final answer
    x = 10,259.98

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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.