Home / 11,817.09-16,309.94-6,784.71

Finding the Fourth Proportional to 11,817.09, 16,309.94 and 6,784.71

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Solution

The fourth proportional to 11,817.09, 16,309.94 and 6,784.71 is: 9,364.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.09 : 16,309.94 = 6,784.71 : x
  2. Step 2: Convert to fraction form
    11,817.09/16,309.94 = 6,784.71/x
  3. Step 3: Cross multiply
    11,817.09x = 16,309.94 × 6,784.71
  4. Step 4: Simplify right side
    11,817.09x = 110,658,213.02
  5. Step 5: Solve for x
    x = 110,658,213.02/11,817.09
  6. Step 6: Final answer
    x = 9,364.25

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1.5x scale

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.