Home / 10,827.88-14,940.66-6,110.80

Finding the Fourth Proportional to 10,827.88, 14,940.66 and 6,110.80

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Solution

The fourth proportional to 10,827.88, 14,940.66 and 6,110.80 is: 8,431.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.88 : 14,940.66 = 6,110.80 : x
  2. Step 2: Convert to fraction form
    10,827.88/14,940.66 = 6,110.80/x
  3. Step 3: Cross multiply
    10,827.88x = 14,940.66 × 6,110.80
  4. Step 4: Simplify right side
    10,827.88x = 91,299,385.13
  5. Step 5: Solve for x
    x = 91,299,385.13/10,827.88
  6. Step 6: Final answer
    x = 8,431.88

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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.