Home / 11,376.94-15,701.09-6,342.79

Finding the Fourth Proportional to 11,376.94, 15,701.09 and 6,342.79

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Solution

The fourth proportional to 11,376.94, 15,701.09 and 6,342.79 is: 8,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.94 : 15,701.09 = 6,342.79 : x
  2. Step 2: Convert to fraction form
    11,376.94/15,701.09 = 6,342.79/x
  3. Step 3: Cross multiply
    11,376.94x = 15,701.09 × 6,342.79
  4. Step 4: Simplify right side
    11,376.94x = 99,588,716.64
  5. Step 5: Solve for x
    x = 99,588,716.64/11,376.94
  6. Step 6: Final answer
    x = 8,753.56

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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.