Home / 11,392.72-15,717.52-6,914.84

Finding the Fourth Proportional to 11,392.72, 15,717.52 and 6,914.84

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Solution

The fourth proportional to 11,392.72, 15,717.52 and 6,914.84 is: 9,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392.72 : 15,717.52 = 6,914.84 : x
  2. Step 2: Convert to fraction form
    11,392.72/15,717.52 = 6,914.84/x
  3. Step 3: Cross multiply
    11,392.72x = 15,717.52 × 6,914.84
  4. Step 4: Simplify right side
    11,392.72x = 108,684,136.00
  5. Step 5: Solve for x
    x = 108,684,136.00/11,392.72
  6. Step 6: Final answer
    x = 9,539.79

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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.